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Sirenians , or seacows, are a group of marine mammals that include manatees and dugongs. In the modern ocean, only one species of seacow is found in each world region, however, the fossil record...
John Hildebrand discusses his research at the Scripps Whale Acoustic Lab on the...
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Many people love seals and sea lions, and it's easy to see why: they’re playful...
Humpback whales ( Megaptera novaengliae ) are the most abundant baleen whale in...

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The polar bear ( Ursus maritimus ) is found in the Arctic and classified as a vulnerable species by the IUCN Red List of Threatened Species. This marine mammal can swim more than 30 miles when sea ice has receded due to warm...
Humpback whales ( Megaptera novaengliae ) can be found in Antarctic waters...
Harp seals are protected in the United States by the Marine Mammal...

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The threat that climate change poses to polar bears has received a lot of attention, but they are not the only Arctic...

The Ocean Blog

Ari Friedlaender, a research scientist at the Duke University Marine Lab, tags a blue whale.
Male northern elephant seals face off on the beach by vocalizing through their extended noses, called proboscises. Every winter, when the seals return to the beach where they were born to breed,...
Monk seals -- the only completely tropical species of seal in the world -- are in trouble. Centuries of human exploitation and habitat destruction have caused the remaining populations of...
In December 2003, researchers spotted Phoenix off the coast of Florida with her second calf. More about the right whale can be found in our Tale of a Whale featured story .
A North Atlantic right whale with a deep wound caused by entanglement in fishing gear floats at the surface in the Bay of Fundy on August 1, 1999. Crew members on the International Fund for Animal...
These southern elephant seals ( Mirounga leonina ) may look like beach bums, but when they are in the water hunting, they are anything but. Satellite tracking by tagging the animals has found that,...
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