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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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Every North Atlantic right whale has a pattern of callosities unique to that individual. This distinctive pattern provides a very visual, convenient tool that researchers can use to tell one individual from another. Learn more...
The false killer whale (pdf) ( Pseudorca crassidens ) is a large dolphin...
Lying on the ice with a few friends is not an unusual way to spend time for...

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The International Union for the Conservation of Nature ( IUCN ) maintains the Red List of Threatened Species , an inventory...
Marine mammals around the world face many challenges due to interactions with people, from overfishing and entanglement to vessel strikes and disturbance from human sounds. Dr. Brandon Southall...
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...
An early scale model of North Atlantic right whale Phoenix that was used to develop a life size model for the Smithsonian shows the location of scars on her mouth from entanglements with fishing gear...
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 .
Monk seals -- the only completely tropical species of seal in the world -- are in trouble. Centuries of human exploitation and habitat destruction have caused the remaining populations of...
Phoenix rises out of the waters east of Cape Cod, MA, in April 2003. The rough patches of skin (known as callosities) occur in unique patterns on all North Atlantic right whales and help researchers...
Lying on the ice with a few friends is not an unusual way to spend time for walruses, who tend to be sociable animals. Their groups can range from tens to thousands. Each individual herd has a...
A Florida manatee, Trichechus manatus latirostris , swims down a narrow channel into a freshwater spring late in the day.
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