A food-conditioned black bear was killed at Yellowstone National Park after a series of concerning incidents "posed a clear threat to visitor safety."

A Bernese mountain dog named Gus in Burlington, Massachusetts, struggles to master the art of catching treats.

The National Park Service is clearing up any misconceptions on whether wildlife is migrating away from Yellowstone National Park.

The dog, named Blue, was found in a public bathroom at Cameron Park in Waco, Texas, which is almost 300 miles away from the family, according to the Pet Circle Regional Animal Center.

"Good for you, bud," one impressed onlooker could be heard saying as the crafty critter made its getaway.

With record temperatures hitting the U.S., pet owners have to protect their four-legged family members from dangers like heat stroke and dehydration

An animal lover helped out a baby raccoon that was seen roaming a Long Island neighborhood for at least two days with a jar stuck on its head.

Dogs and puppies from parts of Texas submerged by the catastrophic flooding that killed at least 132 people have arrived at the no-kill shelter PAWS Chicago

Researchers have discovered evidence of one of the largest dinosaur mating "dance arenas" in present-day Colorado.

A farmer in Oklahoma has been killed by two water buffaloes after becoming trapped inside their enclosure, police said.

A carriage driver is on trial over a horse’s collapse on a Manhattan street

Some dolphins in Australia use sponges on their noses to hunt fish, a skill passed down through generations

Neffra Matthews, a retired photogrammetrist for the Bureau of Land Management, was part of a research team in 2014 that first found evidence of dinosaur mating dances at Colorado’s Dinosaur Ridge.

A sheriff's deputy has been fired after leaving a police dog in a hot car, which ultimately led to the canine's death, officials said.

Conservationists have released five vultures back into the wild on a mountain range in South Africa after they were rescued and rehabilitated

Police in Oklahoma say a farmer has been killed in an attack by a pair of water buffaloes he purchased at a livestock auction a day earlier

A Michigan librarian sprang into action to help a mother duck and her ducklings, safely guiding them away from the busy downtown streets and back to a local river.

Amid the heartbreak one week after the devastating floods in Central Texas, Linsey Davis reports on the animals saved and the Humane Society of North Texas volunteers who helped make it happen.

A dinosaur fossil was found nearly 800 feet below a parking lot at a Denver museum that houses fossils of the extinct species.

A sizable gaggle of geese made its presence known, marching in formation down the middle of the street in Franklin, Indiana, over the Fourth of July weekend.

A tour group in Alaska got a front-row seat to a couple of bears appearing to trade blows in Silver Salmon Creek.

Some small birds were having a real hoot at one owl's expense, repeatedly “dive bombing” the patient bird of prey.

New treatment offers dogs year-round protection with a single shot.

Animal rescue groups are taking in displaced pets amid deadly floods in Texas, relocating them and keeping them safe until they can be reunited with their owners.

The Khao Kheow Open Zoo in Thailand has kicked off four days worth of birthday celebrations for the viral pygmy hippo.

An alligator stopped pedestrians in their tracks as it took its time crossing a walkway in Murrells Inlet, South Carolina.

Lifeguards rescued a deer that got swept out to sea off the coast of Flagler Beach, Florida, on Sunday, with a witness telling ABC News the incident coincided with a possible shark sighting.

A 77-year-old Vermont man died on the I-95 in Florida after being struck during an attempted turtle rescue. Three others were uninjured in the chain-reaction crash.

“Tiger King” star Bhagavan “Doc” Antle has been sentenced to one year and one day in prison for illegally buying endangered animals

Filmmaker Peter Jackson's fascination with a large extinct New Zealand bird has led to an unusual partnership with a biotech company known for its grand and controversial plans to bring back lost species

Photographer Joel Sartore talks about his involvement in The Photo Ark, a project he’s leading in association with National Geographic.

A 4-year-old shelter dog credited with recognizing a man's seizures has been adopted, finding a forever home with Shannon Sweeney and her family.

A lion escaped a zoo in southern Turkey and seriously injured a man who fought it off

With summer in full swing and temperatures on the rise, Whit Johnson shares how zoos are helping animals across America beat the heat.

Marat, a rare and endangered Asian wild horse rejected by its mother, found an unexpected mother in Alice, a pony who recently lost her newborn.

A Magellanic penguin was spotted at the beach in Rio de Janeiro over the weekend, drawing attention from beachgoers who shared images of the rare visitor on social media.

Motorists in Canada were in for an unusual traffic stop when a large moose moseyed up and stuck its nose in their vehicle's window.

Philadelphia Phillies spokesperson Michele DeVicaris introduces Tugger, a 10-week-old service dog-in-training, a new addition to the team's off-field roster.

“It’s a reminder that these big cats are always present in our mountain town,” Colorado Parks and Wildlife said.

There was no threat to the public and park visitors at any point, with the pair safely returned to their enclosure within an hour of their getaway.

A bear and coyote were spotted taking a nighttime stroll in video released this week by authorities in Altadena, California.

A Wyoming woman was on her way home when she came across a lone bison causing a bit of a traffic backup in Yellowstone National Park.

Mei Zhu, a giant panda cub at Chimelong Safari Park in Guangzhou China, celebrated her first birthday with a lively party filled with lots of treats.

An invasive species of fish that can live out of the water has been found lurking in Canada, experts warn.

A FOR EFFORT: A very tough (and very adorable) baby elephant attempted to charge a family of tourists visiting Kruger National Park in South Africa, only to take a tumble.

"This was a rare occurrence and no one, gorilla or human, got hurt," the wildlife conservationist who shot the video said.

A couple in Franklin, Pennsylvania captured video of a mother raccoon, hanging from her back paws and pulling her kit to safety.

The large reptile got away from its owner while being transported from New York to a zoo in North Carolina.

A group of disc golfers witnessed a baby hammerhead shark fall from the sky while in the middle of a game on the morning of May 18 in Myrtle Beach, South Carolina.

Goliath, a Galapagos tortoise at Zoo Miami, is officially the world’s oldest first-time father for any animal in recorded history, the Guinness World Records confirmed.