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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...
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In honor of Mother's Day, the Citizens of the Sea blog salutes ocean-going...

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A close up view of Phoenix and the rough patches of skin known as callosities that are found on all North Atlantic right whales . These callosities are inhabited by small amphipods called whale lice and they can be used to...
The polar bear ( Ursus maritimus ) is found in the Arctic and classified as...
Florida Manatee ( Trichechus manatus latirostris ) swimming within a fresh...

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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...
To people living in warm climates, all ice looks the same. But if you live day-in and day-out on sea ice, like the Inupiaq people of Alaska, you would find that there are many kinds of ice, all...
Polar bear siblings in the Churchill Wildlife Management Area near Hudson Bay spar playfully during migration.
An early scale model of North Atlantic right whale Phoenix indicates the location of scars on her tail from entanglements with fishing gear. More about the right whale can be found in our Tale of a...
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...
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...
A Florida manatee, Trichechus manatus latirostris , swims down a narrow channel into a freshwater spring late in the day.
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...
Phoenix was photographed swimming off the coast of Canada in the Bay of Fundy in August 2007. More about the right whale can be found in our Tale of a Whale featured story .
On a beach in Piña, Panama the tide is rolling out. Faint outlines of skeletal remains rise above the sand. Smithsonian scientists Nicholas Pyenson and Aaron O'Dea along with a team of students...
A model marker applies paint to the life-size, meticulously detailed model of the North Atlantic right whale Phoenix which today is on exhibit in the Smithsonian’s Sant Ocean Hall in the National...
My graduate student Jorge and I are departing today for Panama, to excavate a fossil whale that was discovered by an undergraduate student working with Smithsonian Tropical Research Institute...
A polar bear ( Ursus maritimus) in Churchill Wildlife Management Area in Manitoba, Canada smelling the scent of humans while waiting for sea ice to form on of the Hudson Bay. There are several human...
Graceful spinner dolphins ( Stenella longirostris ) swim through the dazzling blue waters of the Papahānaumokuākea National Monument, northwest of the main Hawaiian archipelago. Papahānaumokuākea was...
The small vaquita ( Phocoena sinus ), a type of porpoise, usually only reaches lengths of 5 feet (1.5 meters). They are only found in the Northern part of the Gulf of California off the coast of...
A Grey Seal ( Halichoerus grypus ) poses in the waters off Acadia National Park in Maine. Grey seals live on both coasts of the Northern Atlantic, with breeding colonies in Great Britain, Ireland,...
Hoping to hear bowhead whales , NOAA marine mammal scientist Sue Moore listens to real-time sounds from an underwater hydrophone.
In honor of Mother's Day, the Citizens of the Sea blog salutes ocean-going mothers everywhere. Especially a 60 year-old albatross named Wisdom. She holds the seabird records for both oldest bird and...
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...
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