Sharks on the Rise Along America's Coastline

Scientist credit their resurgence to an increase in their favorite food, seals.
1:38 | 06/20/14

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Transcript for Sharks on the Rise Along America's Coastline
Next to the soaring number of great white sharks. A report out with a revealing report. ABC's Matt Gutman who has taken a swimming with the sharks on the Numbers and the effort to tag them and what the devices attached to the sharks are already revealing. Reporter: A new report tonight shows a boom in great white sharks. Since 1997 the great white shark population increased by 42%. Most of the citings, between Massachusetts and New Jersey. Nature created the perfect Hollywood nightmare. Up to 7,000 pounds and 23 feet long. Fast as a horse and armed with 300 flesh slicing teeth. Scientists are crediting to an increase of their favorite food, seals to change their image. The whole world needs sharks in order to keep our oceans healthy. Turn around, man! Turn around! Wow. About as big as great whites. Even petting them. Thousands following the great white name cavern tracking her journey from cape cod to the gulf of Mexico Koe. At least we know where one of them is. Kathryn has been spotted headed towards the Florida panhandle. Swimmers beware. This isn't a movie on average. There is only a single shark attack every year. David. Thank you. When we come back. Big news about an American comedian. Also ahead, look at this, that

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