video

The Wandering Fur Seal

During the winter and spring months, tagged fur seals migrate thousands of miles in...

slideshow

A Trip South to Antarctica’s Ross Sea

The Ross Sea, a 1.9 million square mile (3.6 million square km) stretch of ocean...

Photo

Humpback Whales Going After Herring

"For the last few years, Norwegian herring have migrated to coastal waters outside...

Photo

Grey Seal Strikes a Pose

A Grey Seal (Halichoerus grypus) poses in the waters off Acadia National Park in...

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Atlantic Spotted Dolphins, Little Bahama Bank, The Bahamas

“At night, spotted dolphins move offshore into the Gulf Stream’s deep waters in...

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Polar Bears, Cape Churchill, Manitoba, Canada

“In late November, land-locked polar bears gather along the Hudson Bay to await...

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Walrus Rests on Ice

Walruses use sea ice as platforms on which to nurse their young and launch their...

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North Atlantic Right Whale Territory

North Atlantic right whales migrate seasonally between calving and feeding grounds...

Personal Perspectives

Bacteria on Whale Skin Tell a Tale of Health and Sickness

Whales swimming in the ocean are never really alone. Even if one swims by itself...

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Harp Seal, Prince Edward Island National Park, Canada

Harp seals are protected in the United States by the Marine Mammal Protection Act....

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Humpback Whale in Antarctic Waters

Humpback whales (Megaptera novaengliae) can be found in Antarctic waters during the...

Article

Tagging and Tracking Animals Underwater

How do we know where ocean animals swim day and night? Scientists are getting...