ChinaFotoPress/Getty Images
  • Baby Bengal Bites Bamboo

    A three month old white Bengal female tiger cub looks around her enclosure at the Buenos Aires Zoo, Argentina, April 16, 2014.
    Natacha Pisarenko/AP Photo
  • These Cheetah Cubs Are Growing Up Fast

    The Metro Richmond Zoo put cubs Richie, Rico, Chester, Amelia, and Hanna on display for the first time April 1, 2014. &nbsp; <b>READ: <a href="http://abcnews.go.com/blogs/headlines/2014/04/awwww-baby-cheetahs-debut-at-richmond-zoo/">Baby Cheetahs Debut at Richmond Zoo</a></b>
    Courtesy Metro Richmond Zoo
  • Twin Bear Cubs Get New Home

    Two bear cubs have a new home in West Bend, Wis., after their mother abandoned them at a Chicago zoo. David and Lana Fechter have adopted the twins.
    WISN
  • Twin Bear Cubs Get New Home

    Two bear cubs have a new home in West Bend, Wis., after their mother abandoned them at a Chicago zoo. David and Lana Fechter have adopted the twins.
    WISN
  • Motherly Love!

    A mother polar bear helps her cub make its debut by carrying him out of their den for visitors to see at the Novosibirsk Zoo in Russia, March 25, 2014.
    Caters News Agency
  • A newborn tamandua baby is alive and doing well at Denver Zoo thanks to the dedication of zookeepers and veterinarians as the baby's mother learns her new role. Southern tamandua Rio gave birth to her first offspring on March 7, 2014. Zookeepers believe the baby is female and named her "Cayenne."
    Denver Zoo
  • A newborn tamandua baby is alive and doing well at Denver Zoo thanks to the dedication of zookeepers and veterinarians as the baby's mother learns her new role. Southern tamandua Rio gave birth to her first offspring on March 7, 2014. Zookeepers believe the baby is female and named her "Cayenne."
    Denver Zoo
  • A newborn tamandua baby is alive and doing well at Denver Zoo thanks to the dedication of zookeepers and veterinarians as the baby's mother learns her new role. Southern tamandua Rio gave birth to her first offspring on March 7, 2014. Zookeepers believe the baby is female and named her "Cayenne."
    Denver Zoo
  • Baby gorilla Jengo relaxes in his enclosure at the zoo in Leipzig, Germany, Thursday, March 20, 2014. The baby gorilla was born on Dec. 2, 2013.
    Jens Meyer/AP Photo
  • Baby gorilla Jengo plays with grandmother Viringika at the zoo in Leipzig, Germany, Thursday, March 20, 2014. The baby gorilla was born on Dec. 2, 2013.
    Jens Meyer/AP Photo
  • Baby gorilla Jengo relaxes on the back of his mother Kibara at the zoo in Leipzig, Germany, Thursday, March 20, 2014. The baby gorilla was born on Dec. 2, 2013.
    Jens Meyer/AP Photo
  • Polar Bear Twins

    Fourteen week-old twin polar bear cubs play during their first presentation to the media in Hellabrunn Zoo, March 19, 2014 in Munich, Germany. The male and female twins were born on December 9, 2013 in the zoo.
    Alexandra Beier/Getty Images
  • Lion Cub Makes His Debut at Zoo Miami

    Kwasi the cub was born Dec. 15, 2013. He faced health issues, but is now doing better.
    Courtesy Zoo Miami
  • Kwasi the cub makes his debut with his mother Asha at Zoo Miami, March 13, 2014.
    Courtesy Zoo Miami
  • Kwasi the cub cuddles with his mother Asha at Zoo Miami.
    Courtesy Zoo Miami
  • Cutest Baby Otters Ever!

    This photo shows one of three baby otters born at the Pueblo Zoo in Pueblo, Colo., March 3, 2014.
    Courtesy Pueblo Zoo
  • Cutest Baby Otters Ever!

    This March 10, 2014 photo shows one of three baby otters born at the Pueblo Zoo in Pueblo, Colo., March 3, 2014.
    Courtesy Pueblo Zoo
  • Cutest Baby Otters Ever!

    This photo shows baby otters born at the Pueblo Zoo in Pueblo, Colo., March 3, 2014.
    Courtesy Pueblo Zoo
  • Cutest Baby Otters Ever!

    This photo shows one of three baby otters born at the Pueblo Zoo in Pueblo, Colo., March 3, 2014.
    Courtesy Pueblo Zoo
  • Triplet Sumatran Tiger Cubs are Protected By Mom

    Sumatran tigress Melati protects her cubs at the Zoological Society of London, Feb. 9, 2014 -six days after the cubs were born. The zoo released images of the tiger mother and cubs, March 12, 2014.
    Zoological Society of London/AP Photo
  • Polar bear Gerda with her cub emerges from their den in the Zoo in Novosibirsk, about 2,800 kilometers east of Moscow, March 7, 2014.
    Ilnar Salakhiev/AP Photo
  • Baby Monkey Snuggles in Mother's Arms

    A gray langur (Semnopithecus) baby rests in the arm of mother Sariska in the Zoo in Hannover, northern Germany, March 6, 2014. The monkey was born in the zoo Feb. 15, 2014 but its gender is yet unknown.
    Peter Steffen/DPA/AP Photo
  • Mama Hippo Gets a Kiss from New Baby

    A newborn baby hippopotamus rests next to its mother at the Chapultepec Zoo in Mexico City, March 5, 2014. The baby hippo born Feb. 24, is the first one born at the Zoo in the last 16 years. The baby hippo's sex has yet not been determined because zoo keepers must keep their distance from the protective mother.
    Eduardo Verdugo/AP Photo
  • Newborn Giraffe Gets a Smooch

    Giraffe Monique cares for her still unnamed baby at the zoo in Frankfurt, Germany, February 14, 2014. The baby was born Feb. 4, 2014 and is male.
    Frank Rumpenhorst/EPA
  • Rare Baby Hippo Born at British Zoo in Bristol

    Winnie, a new three-week-old baby pygmy hippo walks towards the pool in her enclosure at the pygmy hippo exhibit at Bristol Zoo Gardens in Bristol, England, Feb. 26, 2014. Bristol Zoo Gardens is part of an international captive breeding program for the pygmy hippo, which is threatened in the wild, where it is thought less than 2,000 of these animals still survive.
    Matt Cardy/Getty Images
  • Amsterdam Welcomes Newborn Giraffe

    The newly born giraffe with her mother Iwana in a shed in Zoo Artis in Amsterdam. March 2, 2014. The yet unnamed giraffe was born the previous day.
    Robin Van Loinkhuijsen/EPA
  • Baby Bonobo! German Zoo Welcomes Cute Chimp

    Bonobo monkey mother Muhdeblu comforts her newborn baby at the Zoo in Wuppertal, Germany, Feb. 26, 2014.
    Frank Augstein/AP Photo
  • Precious Panther Cub Makes His Debut

    A rescued Florida Panther kitten is being held for neonatal care and rearing at the zoo in Tampa, Fla., Feb. 20, 2014. Initial assessments indicate the four-week-old kitten is healthy and active with an excellent appetite. The young male weighed 2.8 pounds upon arrival, and is now 4.1 pounds and growing every daily.
    Dave Parkinson/Tampa's Lowry Park Zoo/AP Photo
  • Baby Wombat Lays Back and Enjoys Refreshing Drink

    Ruffy, a 6-month-old wombat, enjoys a cool shower and drink during a heatwave at the Wild About Wildlife centre, in Victoria, Australia, Feb. 3, 2014. In recent weeks record numbers of native animals have been admitted to shelters around Victoria due to the high temperatures.
    Robert Leeson/Newspix/REX USA
  • Extremely Rare White Lion Triplets Born in Poland

    Newborn white lion cubs, which were born between January 28 and 29, lie in a private zoo in Borysew near Lodz, central Poland, Feb. 1, 2014.
    Kacper Pempel/Reuters Photo
  • Baby Pandas Make Their Debut

    Giant pandas enjoy themselves at the Chengdu Research Base of Giant Panda Breeding on Jan. 28, 2014 in Chengdu, Sichuan Province of China.
    ChinaFotoPress/Getty Images
  • Giraffe Calf Makes Debut at San Diego Zoo

    A Masai giraffe named Bahati grooms her newborn calf at the San Diego Zoo, Dec. 31, 2013. The as-yet unnamed female calf was born Dec. 22, measuring 6 feet 1 inch tall and weighing 157 pounds. This is Bahati's 10th calf. Masai giraffes are native to Africa and are threatened in some areas.
    Ken Bohn/San Diego Zoo/AP Photo
  • Meet the First Liliger Cub in the US!

    The United States' first liliger cubs will have their own exhibit early next year.
    Garold Wayne Interactive Zoological Park
  • Adorable Baby Elephant Frolics in the Shower

    An adorable baby elephant is seen keeping cool at Melbourne Zoo by enjoying a cold shower, Dec. 18, 2013. The young calf appeared to be having a fantastic time as he frolicked under the spray of water directed onto him by his keepers.
    David Caird/Newspix/Rex
  • Adorable Baby Elephant Frolics in the Shower

    An adorable baby elephant is seen keeping cool at Melbourne Zoo by enjoying a cold shower, Dec. 18, 2013. The young calf appeared to be having a fantastic time as he frolicked under the spray of water directed onto him by his keepers.
    David Caird/Newspix/Rex
  • Baby Gibbon Sneaks a Peek

    A white-handed gibbon, yet to be named, clings to his mother, 24-year-old Phoenice, at the Philadelphia Zoo, Nov. 21, 2013, in Philadelphia. The new arrival was born Nov. 2, 2013 and the species is considered endangered.
    Matt Rourke/AP Photo
  • White Lion Cub Debuts

    An eight-day-old white lion cub plays at Belgrade's "Good hope garden" zoo, Oct. 4, 2013. The female white lion cub, still unnamed, was born eight days ago to parents Masha and Wambo.
    Marko Djurica /REUTERS
  • Jaguar Cub has Fort Worth Zoo Seeing Spots

    A six-week-old jaguar cub, named Guapo, which means handsome in Spanish, plays with a toy inside his nursery, where he is being hand-raised, at the Fort Worth Zoo, Oct. 3, 2005, in Fort Worth, Texas.
    Jill Johnson/Fort Worth Star-Telegram/AP Photo
  • So Many Baby Pandas in One Crib!

    A four-day-old Chilean flamingo chick looks on its nest as its father named Migi Aka seen at the Himeji Central Park, Oct. 2, 2013 in Himeji, Japan. The baby flamingo was born on September 29 and will take up to two or three years to fully develop the pink feathers of mature adults.
    Buddhika Weerasinghe/Getty Images
  • White Lion Cubs Pose For Their Close-Up

    Giant panda cubs lie in a crib at Chengdu Research Base of Giant Panda Breeding in Chengdu, Sichuan province, Sept. 23, 2013. Fourteen new joiners to the 128-giant-panda-family at the base were shown to the public, according to local media.
    China Daily/Reuters
  • White Lion Cubs Debut

    White lion cubs, at five and a half weeks old, are shown at Zoodoo Wildlife Park in Tasmania, Australia on Sept. 20, 2013.
    Sam Rosewarne/Newspix/Rex USA
  • Sleeping Otters Snuggle

    A 12 day old african lion cub in its den box at the Oregon Zoo. Veterinarians and animal-care staff conducted their first examination of Neka's 12-day-old lion cubs at the Oregon Zoo, Sept. 19, 2013.
    Michael Durham/Oregon Zoo
  • Super Cute Sleeping Otters

    Nellie and Abra, a pair of northern sea otters at the Point Defiance Zoo and Aquarium, hold hands while floating across water in Tacoma, Washington.
    John Vargas/Barcroft Media /Landov
  • Baby Cheetahs Join Dallas Zoo

    Two male cheetah cubs, Winspear and Kamau, born July 8, 2013, have joined the Dallas Zoo population. Zoo officials have marked the occasion by providing them with an 8-week-old black Labrador retriever puppy named Amani.
    Dallas Zoological Society
  • ADORABLE ALERT! Baby Panda Debuts!

    A member of the panda team at the Smithsonian's National Zoo performs the first neonatal exam, Aug. 25, 2013, on a giant panda cub born Aug. 23, in Washington. The cub appeared to be in excellent health, zookeepers reported after a 10-minute physical exam Sunday morning.
    Courtney Janney/Smithsonian's National Zoo/AP Photo
  • Baby Sea Turtle in North Carolina

    A newborn female giant panda is seen at Shaanxi Province Rare Wildlife Rescue and Breeding Research Center on Sept. 2, 2013 in Xi An, China. 8-year-old giant panda Xin Xin gave birth to the baby on July 18 after being artificially inseminated.
    ChinaFotoPress/Getty Images
  • Newborn Panda Makes Debut At National Zoo

    A baby sea turtle makes its way to the water after hatching, Sept. 1, 2013 in Sunset Beach, N.C.
  • PHOTOS: Twin Tiger Cubs

    One-month-old twin tiger cub sisters are seen at a zoo in Fuyang, Anhui province in China on Aug. 24, 2013.
    China Daily/REUTERS
  • Three MiniPigs in a Pen

    Three minipigs stand in their enclosure at the zoo in Hanover, central Germany, on August 13, 2013. Minipig mother Marianne gave birth to ten baby minipigs on July 20, 2013 at the zoo.
    JOCHEN LUEBKE/AFP/Getty Images
  • Bashful Baby Panda

    A giant panda cub nicknamed Yuan Zai is seen at the Taipei Zoo in Taipei, Taiwan, Aug. 8, 2013. The cub, born on July 6, is the first baby of a pair of giant pandas, namely Tuan Tuan and Yuan Yuan , who were given as a goodwill gift to Taiwan by the Chinese mainland.
    imago stock&people/Newscom
  • Baby Elephant Gets Help From Mom

    A female elephant rescues her baby from drowning. A mother elephant calls on her family to help get her calf up a steep muddy riverbank in Sabah, Borneo, August 3, 2013.
    Angeline McIntyre/Barcroft Media/Landov
  • Baby kangaroo peeks out at world

    An endangered baby Matschie's Tree Kangaroo from New Guinea has begun to peek out of its mother's pouch at Zoo Miami. Still nearly hairless, it will be confined to its mother's pouch where it will continue to develop for the next several months before venturing away from mom. It will not be totally weaned until it is around a year old. It is believed to have been born about five months ago.
    Ron Magill/Zoo Miami
  • Baby Liger Hitches a Ride

    A rare baby liger cub is carried by its mother at a Russian zoo, Aug. 2, 2013. The cubs is a rare mix of tiger and lion.
    Andrey Chernyh/Caters News Agency
  • Dog Nurses Tiger Cub

    The female giant panda in Taipei Zoo, Yuan Yuan, gave birth to the little panda at 8:05pm July 6, 2013. The newborn giant panda is female, 183.4 g in weight and 15.5 cm in length. The Taipei Zoo shared images of the cub on their Facebook page, July 27, 2013 at 21 days old, showing the little panda turning into its classic black and White fur.
    Courtesy Taipei Zoo/Facbook
  • Female Dog Feeds 10-day-old Tiger Cub

    A female dog feeds a 10-day-old tiger cub and her puppy at a zoo in Hefei, Anhui province, July 26, 2013. The tigress, who is a first time mother, was deemed incapable of feeding her young because of insufficient milk production, according to zoo authorities.
    JIANAN YU/Reuters /Landov
  • Baby zonkey makes his debut in Italy

    Ippo the "zonkey", a zebra-donkey hybrid was born, July 2013 at a Florence reserve in Italy.
    Splash News
  • Baby Hippo Born in Basel

    A two day old Hippopotamus baby walks behind his 22 year old mother Helvetia at the zoo in Basel, Switzerland, July 19, 2013.
    GEORGIOS KEFALAS/EPA /LANDOV
  • First-Ever Twin Pandas Born at Zoo Atlanta

    Lun Lun, a 15-year-old giant panda, gave birth to twins seen here on July 15, 2013 at the Zoo Atlanta.
    Courtesy Zoo Atlanta
  • Adorable Bear Cubs Waltz

    Two adorable cubs waltz together as they play in a field in Finland. These cute siblings decided to drift off from the rest of the family and practice their moves to show off a dance routine.
    HARRY EGGENS/HotSpot /Landov
  • Giant Panda Cub Rests in Incubator after Birth

    A giant panda cub rests in an incubator at the Taipei Zoo in Taipei, southeast China s Taiwan Province, July 11, 2013. The first cub of a pair of giant pandas, namely Tuan Tuan and Yuan Yuan , given as a goodwill gift to Taiwan by the Chinese mainland, was born on July 6 in the zoo.
    Newscom
  • Baby Leopard Hugs Mother

    A tiny Sumatran tiger made his first appearance for visitors and are looking adorable at the Chester Zoo.
    Ralph Dickinson/Caters News
  • Baby Leopard Hugs Mother

    This little blue-eyed cub hugs his mother after escaping a scary solo encounter with two hungry jackals in Masai Mara wildlife reserve in Kenya.
    DENIS-HUOT/HotSpot /Landov
  • Pink Flamingos Hatch

    The pink flamingo was born at the Riverbanks Zoo in Columbia, S.C. on June 19, 2013.
    Brian Jordan/Retna/Photoshot/Newscom
  • Baby Oncilla Plays Around

    Poli, Sao Paolo Zoo's latest baby oncilla, plays with a staff member's lanyard. The little spotted cat can be found in the rainforests of South America.
    Carlos Nader/Sao Paulo Zoo
  • Is it Father's Day for Lions Too?

    This tiny cub cuddled up to its father and gave the photographer a big yawn at Odense Zoo, Denmark on June 16, 2013.
    Peter Hausner Hansen/Solent News
  • Baby Lion Snuggles with Mom

    A female southern pudu fawn was born on May 20th, 2013 and is seen here at the Detroit Zoo. The pudu are the world smallest deer. They can be found in the rainforests of South America.
    Lee Fisher/Detroit Zoo
  • Lion Cub Cuddles With Mom

    This fluffy lion cub shared a cuddle with his loving mum during a break from playtime on the safari plain. The youngster took time out from chasing his brothers and sisters through the long grass to snuggle up to his mum.
    Jurgen & Christine Sohns/FLPA/Solent
  • Baby Gorilla Joins Large Primates

    A gorilla baby is shown in this Thursday, May 23, 2013 photo. The gorilla baby was born Thursday at the zoo and will be joining 16 other of the large primates.
    Columbus Zoo and Aquarium, Grahm S. Jones/AP Photo
  • Baby Lynx Unleashes Mighty Roar

    A weeks-old baby Lynx is off to a roaring start at the Nashville Zoo, in Nashville, Tenn., in this photo released May 23, 2013.
    Amiee Stubbs/HotSpot /Landov
  • Cute Kittens Rescued From Prison

    Kittens Marple and Kojak cuddle up after being rescued from Parc Prison in Bridgend, South Wales. They are two of the six kittens born in a van parked inside high security prison. <a href="http://www.cats.org.uk/bridgend/" target="external">Sue Dobbs</a>, manager of Cats Protection in Bridgend said, "It's the first time we've rescued a cat from inside the walls of a well-guarded prison."
    Sue Dobbs
  • Baby Gorilla Gets Human Mom

    A 7-year-old white tiger sits with one of her cubs at Tobu Zoo in Miyashiro, near Tokyo, May 2, 2013. Four newborn white tiger cubs made their first public appearance at the zoo. The four cubs - one female and three males - were born 46 days ago.
    Koji Sasahara/AP Photo
  • Baby Lions, Tiger and Hyena Hang Out

    Ashley Chance carries a three-month-old western lowland gorilla named Gladys in the outdoor gorilla exhibit at the Cincinnati Zoo, April 30, 2013, in Cincinnati. The baby gorilla was born Jan. 29 at a Texas zoo to a first-time mother who wouldn't care for her. Zoo workers acting as surrogate mothers wear vests and materials to make them appear more like a gorilla.
    Al Behrman/AP Photo
  • Help the Saint Louis Zoo name their baby elephant.

    Ellie, the Saint Louis Zoo's 42-year-old Asian elephant, gave birth to a baby girl on April 26, 2013 at 10:57 p.m. The Zoo is asking the public to vote on the baby elephant's name. <a href="http://www.stlzoo.org/animals/abouttheanimals/mammals/asianelephant/its-girl-asian-elephant-calf-born-april-26-2013/">Click here to vote.</a>
    Saint Louis Zoo
  • Baby Monkey, Lion's Play Day

    Three lion cubs, a tiger cub and a hyena cub all play together at the Akwaaba Lodge in Rustenburg, South Africa. Bella the tiger, five months, is the leader of the pack, while the three lions, Delano, Romeo and Maximus, also five months, prefer a paws and a nap. Meanwhile the eldest, Milika the hyena, six months, is the most mischievous in the motley crew.
    Ruaridh Connellan/Barcroft Media /Landov
  • Baby Polar Bear Hangs Out

    A baby lion and a baby monkey play at the Guaipo Manchurian Tiger Park in Shenyang, China, April 19, 2013. The 32-day-old baby lion and the 16-day-old monkey have become intimate friends. They are both fed by keepers after birth as their mothers lack breast milk.
    Landov
  • Baby Animals; Polar Bear Cub Snuggles With Mom

    Polar bear and cub are seen at Wapusk National Park, Manitoba, Canada on April 12, 2013.
    David Jenkins/Robert Harding/Newscom
  • Baby Elephant Plays Shy

    Millie the two day old Rothschild Giraffe born at Chester Zoo, March 23, stands next to its mother Orla in Chester England, March 27, 2013. Rothschild giraffes are very rare, estimates put there numbers in the wild as less than a thousand and so careful, managed breeding programs in zoos and wildlife parks are vital for their long-term future.
    Peter Byrne/AP
  • Baby Elephant Hides Behind Mom

    A two weeks old elephant girl hides behind the trunk of her mother Khaing Hnin Hnin at the zoo in Hannover, northern Germany, March 26, 2013.
    Peter Steffen/dpa/AP Photo
  • Baby Orangutan Debuts

    The Buffalo Zoo introduced its new born polar bear cub, Luna. One of two zoos in North America to have polar bear births this year, the cub was born on Nov. 27, 2012 to mother Anana, sired by Nanuq, and has been hand raised by the Zoo's veterinary technician and keeper staff.
    Kelly Brown/Buffalo Zoo/WENN.com
  • Baby Polar Bear Debuts in NY

    A one month-old endangered Bornean orangutan sleeps on his mother, Miri, March 6, 2013, in Singapore. The Singapore Zoo is renowned for its the orangutans, which are considered the zoo's flagship animal.
    Wong Maye-E/AP
  • Luna, The Playful Polar Bear Cub

    Luna, a smiling, playful 3-month-old polar bear cub has made its public debut at the Buffalo Zoo in western New York, Friday March 1, 2013.
    ABC News
  • Baby Warthog Kisses Mom

    A Sumatran tiger named "Leanne" is shown sleeping beside her newborn cub, Feb. 13, 2013.
    San Francisco Zoo
  • Baby Warthog Kisses Mom

    A baby warthog kisses its mother at Ngorongoro Crater in Tanzania, East Africa, Jan. 24, 2013.
    Richard Wear/Newscom
  • Baby Buffalo Roams the Road

    Buffalo walk along the road in Yellowstone National Park in Wyoming, Jan. 26, 2013.
    Susan Dykstra/Newscom
  • Baby Komodo Dragon Emerges

    After 234-240 days incubated at 84 degrees, the Komodo Dragon baby emerges from its shell at the Memphis Zoo, Thursday, Jan. 17, 2013 in Memphis, Tenn. The babies must "pip" to start breathing the air. A large clutch of 16 viable Komodo Dragon eggs are starting to hatch at The Memphis Zoo. They are the first babies born to the zoo in 2013.
    The Commercial Appeal, Karen Pulfer Focht/AP Photo
  • White-cheeked gibbon.

    A white-cheeked gibbon has been born at New York's Bronx Zoo. Its mother, Christine, is on the left with the light fur. The dad, Milton, is on the right. Baby gibbons have light fur until they are two years old. The new arrival was not immediately named, and its sex was not determined. White-cheeked gibbons are native to Southeast Asia but critically endangered by deforestation and hunting.
    Julie Larsen Maher/Wildlife Conservation Society
  • Official Good Luck Pigs of 2013

    Two Swabian-Halle piglets play at the Tierpark zoo in Berlin, Germany, Dec. 29, 2012. The piglets were born on Dec. 2, 2012 and have been declared the official good luck pig of 2013 for the Tierpark.
    BRITTA PEDERSEN/EPA /LANDOV
  • Nikolaus the Donkey

    Nikolaus the donkey was born Dec. 4, 2012 at Berg Zoo in Halle, east Germany, weighing just 8.3 kg.
    imago/Steffen Schellhorn/Newscom
  • Baby Clouded Leopards Debut at San Diego Zoo

    This is Riki-san, a 14-week-old clouded leopard at the San Diego Zoo. He and his brother, Haui-san, made their public debut at the San Diego Zoo, Dec. 6, 2012. The two brothers arrived in San Diego from the Nashville Zoo, where a breeding program is successfully increasing this endangered species' numbers.
    Ken Bohn/San Diego Zoo/AP Photo
  • Baby Hippo in Berlin

    A baby hippopotamus born Nov. 23, rides for a moment on its mother's back at Zoo Berlin on Dec. 7, 2012 in Berlin, Germany. The baby hippo is a boy and has two sisters.
    Sean Gallup/Getty Images
  • Baby Penguins Born at Aquarium

    Oregon Zoo officials have announced that Rose-Tu has given birth to a 300-pound baby elephant.
    KATU
  • A pair of Gentoo penguin chicks are weighed and examined at Moody Gardens in Galveston, Texas, Nov. 28, 2012.

    A pair of Gentoo penguin chicks are weighed and examined at Moody Gardens in Galveston, Texas, Nov. 28, 2012. The chicks were born over the Thanksgiving holiday, <a href="http://www.chron.com/news/houston-texas/houston/article/Gentoo-penguin-chicks-born-at-Moody-Gardens-4074485.php#photo-3807736">according to the Houston Chronicle.</a>
    Brett Coomer/Houston Chronicle
  • Newborn Baby Chimpazee Takes a Nap

    Chimpanzee Zuri takes care of her newborn baby at the Zoo in Guadalajara, Mexico as seen in this Oct. 17, 2012 photo. Zuri and the 18-year-old dad, Yombe (not pictured), are from an endangered species original from the African jungle.
    EFE/Ulises Riuiz Basurto/Newscom
  • Baby Manatee Nursed to Health

    This mother bear and its cub was spotted dramatically diving into the water in search of salmon in the Kronotsky Nature Reserve in the Kamchatka Peninsula, Far East Russia. The pictures were taken by Russian photographer, Sergey Krasnoshchokov.
    Sergey Krasnoshchokov/Caters
  • Manatee Rescued

    This 2-month-old manatee pup is being nursed back to health by the conservationist group Friends of the Manatee in Brazil. The pup was found helpless and malnourished next to its dead mother's body.
    AMPA/RexUSA
  • Baby Zebra Makes Debut

    Lincoln Park Zoo in Chicago, Ill. welcomed a new zebra this week. Early Thursday, Aug. 23, 2012, five-year-old Grevy's zebra Adia gave birth to a male, her second offspring with six-year-old male Grevy's zebra Clayton, <a href=" http://www.lpzoo.org/magazine/articles/small-stripes">according to a release</a>. The zoo is inviting patrons to name the new zebra.
    Lincoln Park Zoo
  • Rare Baby Zebra Makes Debut

    Anchali, a baby Asian elephant, stands next to her mother, Pang Pha, at the Berlin Zoo in Germany. Anchali is three days old in this picture. At birth she was 3.28 feet tall and weighed 353 pounds. Pang Pha was a gift to the Berlin Zoo in 1987 from the Thai government.
    Adam Berry/Getty Images
  • Baby Elephant Chills Out

    Two six-week-old male Amur tiger cubs will make their public debut at the Columbus Zoo and Aquarium.
    Courtesy the COlumbus Zoo
  • Baby Elephant Chills Out

    A rare baby zebra born at ZSL Whipsnade Zoo in the United Kingdom is already making her mother earn her racing stripes. The unnamed Grevy's zebra, born on July 17, can be spotted giving mother Henna the run-around in the paddock including dad Abeba.
    Jeff Moore / Splash News
  • Baby Elephant at Houston Zoo

    Asian elephants Methai, left, and Tupelo, right, look for treats in the remainder of a snowman during the TXU Energy Chill Out at the Houston Zoo, Saturday, July 21, 2012, in Houston.
    Dave Einsel, TXU Energy/AP Photo
  • Baby Elephant at Houston Zoo

    Tupelo, a 2-year-old Asian elephant checks out the remainder of a snowman during the TXU Energy Chill Out at the Houston Zoo, Saturday, July 21, 2012, in Houston.
    Dave Einsel, TXU Energy/AP Photo
  • Baby Bonobo Makes Debut

    White lion cubs are seen during feeding time in the Yalta Zoo in Yalta, the Crimean Peninsula, Ukraine on July 17, 2012. Five white lion cubs were born in the Crimea two weeks ago, three of them in a safari park and two in the Yalta Zoo. They are brought up together at the Yalta Zoo. Cubs have no names but they will be named in a few months when they grow up.
    Andrew Lubimov/AP Photo
  • Twin Panthers Make Zoo Debut

    This baby bonobo was born at Ohio's Columbus Zoo and Aquarium July 18, 2012. The female is being cared for by her mother, Unga, according to the Daily Mail. Bonobos are the rarest of the great apes and this is the 13th addition to the endangered species since 1990.
    Columbus Zoo/AP Photo
  • Twin Panther Cubs are a Hit

    Twin baby panthers Remaong and Ferra cling to a tree while being presented to the media at Tierpark Berlin zoo on July 13, 2012 in Berlin, Germany. The two panthers were born in captivity on April 26, 2012.
    Sean Gallup/Getty Images
  • Panthera Baby Cub

    Field Scientist Mattia Colombo carefully prepares to place a snow leopard cub back into its den. It is the first time a <a href="http://www.panthera.org/programs/snow-leopard/videos-snow-leopard-mother-and-cubs-dens-recorded-mongolia ">mother and her cub were recorded by scientists.</a>
    Panthera.org
  • Six Newborn Lion Cubs

    In this photo a baby chimp is seen taking its first steps away from its mother. Photographer Konrad Wothe captured the chimp's first brave steps towards his camera in Mahale Mountains National Park, Tanzania, Africa.
    Konrad Wothe/Minden Pictures/Solent News
  • Newborn Giant Panda

    The Guaipo Siberian Tiger Park in Shenyang, China welcomed six new, very cute residents July 8, 2012. China's state television reported that mama lion, Rose, set a new national record for the most cubs in one litter. The previous record stood at four.
    ABC News
  • Tokyo's First Giant Panda Born in 24 Years Dies of Pneumonia

    Tokyo's first baby giant panda to be born in 24 years died of pneumonia, July 11, 2012. The panda had been born to parents Shin Shin and Ri Ri in Tokyo's Ueno Zoo just six days earlier. The baby, not much larger than a stick of butter at birth, was allowed to bond with its mother and did not live long enough to be given a name.
    Tokyo Zoological Park Society
  • Aquarium Welcomes New Dolphin

    A female Sumatran rhino named Ratu, right, is seen with her newborn calf at Way Kambas National Park in Lampung, Indonesia, June 25, 2012. Ratu, a highly endangered Sumatran rhinoceros, gave birth to the calf Saturday in western Indonesia, a forestry official said. It is only the fifth known birth in captivity for the species in 123 years.
    AP Photo
  • Aquarium Welcomes Baby Dolphin

    A Pacific white-sided dolphin calf swims along with its mother, Piquet, June 12, 2012, at Chicago's Shedd Aquarium. The baby male dolphin, which does not have a name, was born on Memorial Day. According to The Associated Press, experts at the aquarium say the baby dolphin weighs about 30 pounds now. He and his mother are not part of the aquarium's exhibits yet.
    Kiichiro Sato/AP Photo
  • 2 Endangered Amur Leopards Born at Minnesota Zoo

    This image made from video provided by the Minnesota Zoo on Friday, June 1, 2012 shows an Amur leopard with her cubs in the maternity den of the zoo in Apple Valley, Minn. The cubs, born Tuesday, May 29, join an estimated 90 Amur leopards living in captivity in the U.S. The species one of the most endangered cats in the world. .
    Minnesota Zoo/AP Photo
  • Orphaned Squirrel Adopted by Cat Family

    The family cat has adopted an injured squirrel that was found by Bailee Schultz, 8, near his grandparent's house in Bangor Township, Mich., and has been nursing it as one of her own.
    Yfat Yossifor, The Bay City Times/AP Photo
  • Mini Pigs Photographed for Calendar

    A tiny pig bred at Pennywell Farm in Buckfastleigh, England, leans on a fake strawberry as part of a photo shoot for a 2013 wall calendar. Alternately called micro, mini or pygmy pigs, these little guys are specially bred to be extra small.
    Richard Austin/Rex/Rex USA
  • Recently hatched cygnets walk beside the waters edge at Abbotsbury Swannery

    Recently hatched cygnets walk beside the waters edge at Abbotsbury Swannery - the only publically accessible colony of nesting mute swans in the world - on May 11, 2012 near Weymouth, England.
    Matt Cardy/Getty Images
  • Recently hatched cygnets walk beside the waters edge at Abbotsbury Swannery

    Recently hatched cygnets walk beside the waters edge at Abbotsbury Swannery - the only publically accessible colony of nesting mute swans in the world - on May 11, 2012 near Weymouth, England.
    Matt Cardy/Getty Images
  • Baby Elephant Debuts

    Bristol Zoo's baby gorilla Kukena holds onto his mother's arm as he ventures out of his enclosure at Bristol Zoo's Gorilla Island on May 4, 2012 in Bristol, England. The seven-month-old western lowland gorilla is starting to find his feet as he learns to walk.
    Matt Cardy/Getty Images
  • Baby Gorilla Debuts

    Bristol Zoo's baby gorilla Kukena takes some of his first steps as he ventures out of his enclosure with his mother Salome at Bristol Zoo's Gorilla Island on May 4, 2012 in Bristol, England.
    Matt Cardy/Getty Image
  • Baby Elephant Debuts in Germany

    A weeks-old Asian elephant bull (Elephas maximus) named Assam plays with keeper Robert Schieritz during his first appearance in the outdoor enclosure at the Hagenbeck Zoo in Hamburg, northern Germany, April 27, 2012.
    Philipp Guelland/DAPD/AP Photo
  • King Penguin Chick

    A still-unnamed King penguin chick that hatched on April 9 is shown off at The Aquarium at Moody Gardens, April 23, 2012, in Galveston, Texas. A blood test will be conducted to determine the bird's gender. It weighed 20 ounces at birth. This is the 14th King penguin chick to have been successfully bred at the aquarium.
    Johnny Hanson/Houston Chronicle/AP Photo
  • Knut's New Half-Sister Makes Public Debut

    Female polar bear cub Anori plays with her mother Vilma in their outdoor enclosure at the zoo in Wuppertal, Germany, March 29, 2012. Anori is the three-month-old half sister of Knut, the baby polar bear who became internationally famous when he was raised by zookeepers at the Berlin Zoo after being rejected by his mother at birth in 2006.
    Frank Augstein/AP Photo
  • Baby Giraffe Greets the World

    A baby giraffe, born at New York's Bronx Zoo. She stood approximately 6 feet tall and weighed over 100 pounds at birth. As an adult, she could eventually grow to 16 feet and weigh 2,600 pounds. Zookeepers said they would pick a name later.
    Julie Larsen Maher
  • Knut's Half-Sibling Born at Zoo

    Newborn endangered Sumatran orangutan makes public debut at Australia's Perth Zoo on March 14, 2012. The Zoo unveiled to the public one of two baby Sumatran orangutans. The species is critically endangered.
    ABC News
  • Knut's Half-Sibling Born at Zoo

    A new-born polar bear cub is seen at the Ocean Aquarium of Penglai, in Yantai, in east China's Shandong province in this Jan. 17, 2012 file photo.
    STR/AFP/Getty Images
  • Baby Penguins Reunite

    This recent picture from an observation camera, released Jan. 17, 2012 by the Zoo in Wuppertal, shows polar bear mother "Vilma" and her cub "Anori" in their litter den at the zoo. Anori was born, Jan. 4, 2012. Anori's father is "Lars", who is also the father of Berlin's famous deceased polar bear cub "Knut".
    Wuppertal Zoo/AFP/Newscom
  • Sydney Aquarium Welcomes Baby Penguins

    Sydney Aquarium staff Martin Garwood and Libby Eyre feed baby penguins after their release, Jan. 18, 2012, in Sydney, Australia.
    Lisa Maree Williams/Getty Images
  • Sydney Aquarium Welcomes Baby Penguins

    A baby penguin swims in a tank after being released at Sydney Aquarium, Jan. 18, 2012, in Sydney, Australia. Three baby penguins were released into the aquarium and reunited with their parents for the first time since birth.
    Lisa Maree Williams/Getty Images
  • Sydney Aquarium Welcomes Baby Penguins

    A baby penguin swims in a tank after being released at Sydney Aquarium, Jan. 18, 2012, in Sydney, Australia.
    Lisa Maree Williams/Getty Images
  • Baby Panda Plays with New Year's Gifts

    A baby panda enjoys itself in a breeding room at Ya'an Bifengxia Base of China Conservation and Research Centre for the Giant Panda Dec. 28, 2011 in Ya an, China. As the world's largest panda park, Bifengxia plays an important role in the protection and breeding programs for an animal which remains one of the world's most endangered species.
    ChinaFotoPress/Getty Images
  • Baby Panda Plays with New Year's Gifts

    A baby panda plays with new year gifts provided by keepers at Ya'an Bifengxia Base of China Conservation and Research Centre for the Giant Panda Dec. 28, 2011 in Ya an, China. As the world's largest panda park, Bifengxia plays an important role in the protection and breeding programs for an animal which remains one of the world's most endangered species.
    ChinaFotoPress/Getty Images
  • Panda Cub, Just 100 Days Old

    The polar bear cub Siku is seen at Skandinavisk Dyrepark in Djursland, Denmark in this Dec. 8, 2011 file photo. A Danish zoo says a month-old polar bear cub has been taken into care since its mother failed to produce enough milk to feed him.
    Skandinavisk Dyrepark/AP Photo
  • Panda Cub Reaches 100 Day Mark

    A 100-day-old panda is weighed at Chongqing Zoo, in Chongqing, southwest China, Dec 13, 2011. The cub, which was born in September, is due to undergo an ultrasound test to determine its gender.
    AP Photo
  • Baby Penguins in ... New York?

    Bana, a female Western Lowland Gorilla, sits with her newborn baby at the Lincoln Park Zoo in Chicago, Ill., Nov. 18, 2011. The baby, who was female, was found dead in her mother's arms only a week later. Zookeepers, who said gorillas are capable of mourning, gave Bana time to be alone with her lost offspring.
    Courtesy Todd Rosenberg Photography 2011
  • Baby Penguins Raised at Central Park Zoo

    This chinstrap penguin was one of eight born this summer and raised at New York's Central Park Zoo. The zoo has been keeping a <a href="http://www.centralparkzoo.com/chicks " target="external">blog on the chicks' progress.</a>
    Julie Larsen Maher/Wildlife Conservation Society
  • Black Sheep Born in Hurricane Irene

    A group of giant panda cubs naps at a nursery in the research base of the Giant Panda Breeding Centre in Chengdu, in southwest China's Sichuan province. China has launched its once-a-decade panda census, trying to determine how many of the endangered animals live in the wild amid efforts to boost numbers.
    STR/AFP/Getty Images
  • Lamb born in Hurricane Irene

    Talk about the black sheep of the family -- Irene Hope, a new lamb, was born in a stable at the Wildlife Conservation Society's Central Park Zoo in New York City on Saturday, Aug. 27, 2011, as Hurricane Irene closed in on the area.
    Julie Larsen Maher / WCS
  • Lamb born in Hurricane Irene

    Irene Hope with her mother, Truffle, at the Central Park Zoo in New York. Irene Hope was named for Hurricane Irene, which was closing in as she was born on Aug. 27, 2011.
    Julie Larsen Maher/WCS
  • Three Tiger Cubs Born at Bali Zoo

    The Philadelphia Zoo?s new jaguar cub, Lucha, made his first official public appearance, Aug. 24, 2011.
    ABC
  • Two of three tiger cubs born recently at Bali Zoo.

    The Bali Zoo recently welcomed three female tiger cubs to its feline family. Here two of them, age two-and-a-half months, eat a lunch of chicken, milk and vitamins, with ABC News' Dan Harris looking on. Tigers are endangered, some subspecies critically so, by habitat destruction (mainly for logging and agriculture) and poaching.
    ABC News
  • Rare Ducklings Hatch at NY Zoo

    New York's Bronx Zoo is celebrating the first birthdays of six tiger cubs, two sets of triplets born in the spring of 2010. Now that they're more than a year old they are considered adolescents. Seen here are three Amur tigers, a Malayan breed. The zoo says there are fewer than 3,500 tigers in the wild, 1,000 of which are breeding females.
    Julie Larsen Maher/WCS
  • Rare Ducklings Hatch at New York Zoo

    New York's Central Park Zoo has successfully hatched eight critically endangered Chinese merganser ducklings -- a first for any North American zoo. The eight ducklings were hatched, April 26, 2011. The zoo has two breeding pairs of Chinese mergansers, a species of sea duck found in eastern Asia.
    Judith Wolfe © WCS
  • A Baby Dolphin at Chicago's Shedd Aquarium

    Tique, a Pacific white-sided dolphin at Chicago's Shedd Aquarium, has given birth to a new calf. The new baby, which arrived on the morning of June 3, 2011, was not given a name because its gender was not immediately determined. Female dolphins are typically pregnant with their babies for 12 months.
    Shedd AquariumHandout
  • A Baby Dolphin at Chicago's Shedd Aquarium

    Staff at the Shedd Aquarium in Chicago watch as Tique, a Pacific dolphin, gives birth. Tique (pronounced Tee-kay), who weighs 200 pounds, had been shipped to Miami's Seaquarium last year to breed with a male dolphin there.
    Shedd Aquarium
  • What Would You Name This Baby Giraffe?

    The first zebra born at New York City's Bronx Zoo in nearly a decade made her public debut May 3, 2011. Terri, a young Grevy's zebra, runs around the exhibit, but the zoo said she never strays too far from her mother, Tara, and her father, Jimbo. Terri's stripes were brown at birth, but they'll gradually turn black as she matures. Grevy's zebras, which are found in Northern Kenya, are critically endangered in the wild.
    Julie Larsen Maher/WCS
  • Baby Panda Cub at Zoo Atlanta

    The only giant panda born in a U.S. zoo this year is a male, Zoo Atlanta officials said this week. The cub was born Nov. 3, but the gender was determined during an exam by the zoo's veterinary team and a colleague from the Chengdu Research Base of Giant Panda Breeding in China.
    Courtesy Zoo Atlanta
  • Baby Panda Cub at Zoo Atlanta

    The cub, which will be named later, was able to be examined after his mother, Lun Lun, began leaving him for brief periods of time to eat and drink.
    Courtesy Zoo Atlanta
  • A Baby Monkey? What a Boar!

    Brand new pictures of a baby gorilla born in September at the Columbus Zoo and Aquarium were released today. The tiny primate, born to mother Cassie and father Annaka, is the 30th gorilla born at the zoo where wildlife expert Jack Hanna is director emeritus.
    Courtesy Columbus Zoo and Aquarium
  • baby animals

    A newborn Kihansi spray toad rests on the back of an adult female. Reared at New York's Bronx Zoo, these amphibians, extinct in the wild, are part of an international program to return the species to its former habitat in Tanzania.
    Julie Larsen Maher/Wildlife Conservation Society
  • Baby Animals

    Melbourne zoo's new Asian elephant, which has been named Baby for the time being, receives a nudge from her mother after meeting the public for the first time, Feb. 10, 2010. Baby is the second elephant born in Australia, and the first one born through artificial insemination. After a 22-month pregnancy, she arrived Jan. 16, 2010. Three weeks later, Baby now weighs 300 pounds.
    WILLIAM WEST/AFP/Getty Images
  • Baby Panda Kindergarten

    Sixteen giant panda cubs pose with staff members at the Wolong National Nature Reserve in southwest China's Sichuan province Feb. 3, 2010. The cubs, born in 2009, were separated from their mothers and moved into their new nursery this week.
    Xinhua News Agency/Eyevine
  • A Bright Orange Monkey

    A baby gibbon sits on a swing in its enclosure at Vienna's Schoenbrunn Zoo Jan. 4, 2010. The gibbon, born Sept. 23, 2009, has yet to be named. Zoologists have difficulty determining a gibbon's sex when it's this young.
    Norbert Potensky/Vienna Zoo/Reuters
  • A Bright Orange Monkey

    A rhino calf named Ailsa with its keepers, Ailsa West, left, and Chris Lucas, right, as it is weighed in at the Blair Drummond Safari Park in Stirling, Scotland, Feb. 4, 2010. Ailsa is one of eight southern white rhinos born in captivity in Europe last year. An estimated 11,000 live in the wild, according to the International Union for the Conservation of Nature.
    Blair Drummond Safari Park/AP Photo
  • A Bright Orange Monkey

    A baby antelope is fed milk at the Chester Zoo in northern England, Jan. 22, 2010. It is a Kirk's Dik-dik antelope, a rare type that is one of the world's smallest. The baby is being hand-reared at the zoo after its mother rejected it during recent cold weather there.
    Phil Noble/Reuters
  • Amazing Animals

    Two rare albino alligators from Louisiana are shown at La Ferme aux Crocodiles, a crocodile farm in Pierrelatte, in central eastern France. Because of the rarity of this genetic anomaly and vulnerability in the wild, there are only 20 known specimens in the world.
    PHILIPPE DESMAZES/AFP/Getty Images/Getty Images
  • Baby Animals: Baby Panda

    It's a boy. This baby panda was born at the San Diego Zoo on Aug. 5, 2009, and the zoo staff, anxious to leave the newborn alone with its mother, a Chinese-born panda named Bai Yun, did not get to examine the little guy for a month. A baby panda's sex is not obvious when you can only see it from a distance. Following Chinese tradition, the baby will not get a name until he is 100 days old.
    Ken Bohn/San Diego Zoo
  • Baby Animals: Baby Panda

    Geoff Pye, senior veterinarian at the San Diego Zoo, gives the new baby panda a checkup. The 2.8-pound cub is a boy, but the zoo staff couldn't tell until the baby had spent a month bonding with his mother, Bai Yun, and could be safely examined. A baby panda's sex is hard to determine from a distance.
    Ken Bohn/San Diego Zoo
  • Baby Animals

    Can you make out the newborn Chinese panda in this webcam picture from the San Diego Zoo? It's the four legged blob just above its mother, Bai Yun, and this image was recorded just after it was born in the early hours of Aug. 5, 2009. The zoo says it is best to leave the hairless, pink newborn alone to bond with its mother, so its sex cannot be known for some time. A newborn panda is about the size of a stick of butter.
    Courtesy San Diego Zoo
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