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Humpback whales ( Megaptera novaengliae ) are the most abundant baleen whale in the nearshore waters around the Antarctic Peninsula. They, along with millions of penguins, seals, seabirds, and other whales, feed primarily on...
In the late 1990's, researchers at the Woods Hole Oceanographic Institution (...
Killer whales ( Orcinus orca ) are master hunters, using speed, camouflage, and...
In honor of Mother's Day, the Citizens of the Sea blog salutes ocean-going...

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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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Stretching up to 16.8 meters (55 feet) long and weighing up to 62 tons (70 tons), the North Atlantic right whale is one of...

The Ocean Blog

Polar bear siblings in the Churchill Wildlife Management Area near Hudson Bay spar playfully during migration.
The bowhead whale has a massive, bow-shaped skull to break through thick Arctic ice, and more blubber than any other whale.
There were fewer than 450 North Atlantic right whales in 2006. Yet it has been illegal to hunt them since 1935. Why haven’t populations increased? Traits that made right whales easy to hunt make them...
The right whale named Phoenix as seen in 2004 off the coast.
New England Aquarium researchers Dr. Moira Brown and Yan Guilbault conducting aerial surveys for North Atlantic right whales over the Roseway Basin, Canada. More about right whales can be found in...
The common bottlenose dolphin ( Tursiops truncatus ) has lungs, but doesn't breathe through its mouth. Instead, toothed whales breathe through a blowhole on top of their head. Read more about...
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