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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 Museum of Natural History...
At the ends of the Earth, life thrives despite extreme conditions. In the...
In the episode of One Species at a Time , writer Karen Romano Young takes an...
A Twelve-Step group for wild animals with people-food addictions? Don’t be...

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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...
Florida Manatee ( Trichechus manatus latirostris ) swimming within a fresh...
The small vaquita ( Phocoena sinus ), a type of porpoise, usually only...

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The International Union for the Conservation of Nature ( IUCN ) maintains the Red List of Threatened Species , an inventory...
The elegant Antarctic minke whale feeds on krill (tiny crustaceans) during the winter. Groups of minke whales often are found on the edges of pack ice feasting so that they can grow thick layers of...
Harp seals are protected in the United States by the Marine Mammal Protection Act . Although they are not considered endangered, as sea ice melting earlier and earlier each year, available harp seal...
Rachel Caauwe was one of a dozen artists who spent a recent Saturday sketching specimens from the Smithsonian's musky-scented marine mammal collection . Here she's shown drawing the remains of a...
The threat that climate change poses to polar bears has received a lot of attention, but they are not the only Arctic species at risk. Ice-loving seals, such as harp, hooded and ringed seals, are...
Whales swimming in the ocean are never really alone. Even if one swims by itself with no other whales for miles around, it still has company—the tiny microbes that live on its skin. For a long time,...
Ari Friedlaender, a research scientist at the Duke University Marine Lab, tags a blue whale.
The ocean is home to many moms of all shapes and sizes: from charismatic polar bears and dolphins to small fishes and shrimps and more. Learn about some of the diverse parenting habits of marine moms...
The Smithsonian has more whale skulls and skeletons than any other collection in the world. This photo provides a small glimpse of the amazing variety of skulls and skeletons available for study...
"For the last few years, Norwegian herring have migrated to coastal waters outside Tromsø in the months between November and February, and humpbacks and orcas follow them to feast on the massive...
“Moments after its eyes emerged from the water for a ‘spy hop,’ this whale slowly descended in my direction and came as close as six feet before it dove away.” -- Nature's Best photographer, Steffen...
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...
Many people love seals and sea lions, and it's easy to see why: they’re playful, adorable, and quite photogenic. But what is the difference between seals and their cousins the sea lions? Both have...
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