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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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This whale is entangled in fishing gear. Entangled whales often need human help to break free from the fishing gear . But the job is hard one that requires handling a small boat near the large (and often distressed) whale,...
The polar bear ( Ursus maritimus ) is found in the Arctic and classified as...
Humpback whales ( Megaptera novaengliae ) can be found in Antarctic waters...

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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

This whale is entangled in fishing gear. Entangled whales often need human help to break free from the fishing gear . But the job is hard one that requires handling a small boat near the large (and...
Scientists document a direct relationship between the extent of sea ice and polar bear survival. Future projected reductions in the extent of annual sea-ice due to global warming may result in the...
When a critically endangered North Atlantic right whale becomes entangled in fishing gear, members of a response team from the Atlantic Large Whale Disentanglement Network spring into action. In the...
Phoenix – our favorite North Atlantic Right Whale – was spotted feeding this week off the coast of New Hampshire! Researchers track these highly endangered whales (there are only about 450 of them...
“I took this photograph of spinner dolphins in calm waters off the Ogasawara Islands, an archipelago in the Pacific Ocean about 600 miles south of Tokyo.When the sun briefly broke through the clouds...
Phoenix is seen skim feeding off the coast of Maine in August 2004. More about the right whale can be found in our Tale of a Whale featured story .
Ari Friedlaender, a research scientist at the Duke University Marine Lab, tags a blue whale.
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,...
The crabeater seal ( Lobodon carcinophaga ) is found on the ice of Antarctica, but surprisingly they don't eat crabs! The seals primarily eat krill, tiny crustaceans that play a large part in the...
The dolphins in this picture are spinner dolphins, ( Stenella longirostris ) named for how they spin in the air when they leap from the water. Spinner dolphins have four sub-species: the eastern...
A crew works on creating a life-size, meticulously detailed model of the North Atlantic right whale Phoenix—the “ambassador” of the Smithsonian’s Sant Ocean Hall in the National Museum of Natural...
Seals and sea lions have many similarities, and are in the same family of Pinnipeds, but they lead very different lives. Seals are smaller than sea lions; male Stellar sea lions can grow to be up to...
The evolution of whales represents one of the great stories in macroevolution. It's a narrative that has mostly benefitted from an extraordinary series of fossils recovered from rocks around the...
Phoenix swims in George’s Bank, off the coast of New England, on March 13, 2009. More about whales can be found in our Tale of a whale featured story .
Killer whales ( Orcinus orca ) are master hunters, using speed, camouflage, and a variety of techniques to capture their prey. See how a different predator - the great white shark - finds its prey in...
Whale baleen, the stiff bristly mouthparts that sieve small prey from the water, was strong yet flexible, and was used to provide structure in many human products, including umbrellas, corsets, and...
Dr. Stefan Huggenberger from the University of Cologne explains sound production in sperm whales in "Moby Dick's Boom Box: Nasal Complex of Sperm Whales," a presentation at the Smithsonian's National...
Phoenix, the North Atlantic right whale whose replica hangs from the ceiling of the Sant Ocean Hall at the National Museum of Natural History, was sighted with a calf off of Amelia Island in Florida...
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