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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

Both humans and sea lions get sick from eating fish and shellfish that have been feeding on harmful toxic algae. Studying the sick sea lions brings scientists closer to understanding and preventing...
This is North Atlantic right whale #3333 who was spotted with fishing gear trailing from his mouth during an aerial survey off the coast of Georgia on January 29, 2008. Entanglement is one of the...
The rough patches of skin known as callosities occur in unique patterns on all North Atlantic right whales and help researchers identify and track individual whales. This whale is named Phoenix. More...
How do we know where ocean animals swim day and night? Scientists are getting snapshots into the daily lives of whales , sharks , and even fish by tagging the animals to track their movements. You’ve...
This illustration shows how fishing lines attached to traps and buoys on the ocean floor present a potentially deadly hazard to North Atlantic right whales. Freeing entangled whales involves a...
Polar bear siblings in the Churchill Wildlife Management Area near Hudson Bay spar playfully during migration.
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