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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...
The North Atlantic right whale is one of the world's largest animals, but scientists estimate that fewer than 450 remain. In the past, they were hunted for their oil and baleen; now they get tangled...
There were fewer than 450 North Atlantic right whales in 2006. Yet it has been illegal to hunt them since 1935. Why haven’t populations increased? Traits that made right whales easy to hunt make them...
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...
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...
The whales that we see in today's world can broadly be split into two groups: those with teeth (odontocetes), and those that have baleen (mysticetes) instead of teeth. These two groups share a common...
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...
I have a vivid childhood memory of sitting under the Blue Whale model hanging in the Natural History Museum in London, eating an ice cream and wondering “How in the world did that whale get so big?”...
Narwhals ( Monodon monoceros ) are a type of toothed whale, best known for their long unicorn-like tusk. The tusk is normally found on male narwhals and is actually a tooth. Narwhals usually live in...
This close-up photo of a right whale's head shows dozens of hitchhikers—tiny crustaceans known as whale lice, or cyamid amphipods. They live on the rough patches of skin (known as callosities) on...
“I took this photograph of spinner dolphins in calm waters off the Ogasawara Islands, an archipelago in the Pacific Ocean about 600 miles south of Tokyo.When the sun briefly broke through the clouds...
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...
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...
After a few long days of hard work on the island, we were finally able to excavate and remove , not just one, but two skeletons of an early "toothed" baleen whale from the rocks near the Carmanah...
The Encyclopedia of Life and Atlantic Public Media bring us another installment of the podcast, One Species at a Time . In this podcast, host Ari Daniel Shapiro relates two close calls with polar...
Since 1987, researchers have been tracking the North Atlantic right whale named Phoenix. More about Phoenix can be found in the Tale of a Whale photo essay .
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...
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...
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