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When a whale dies, the story has just begun. The massive carcass sinks to the seafloor, where it provides food for a deep sea ecosystem on the otherwise mostly barren seafloor. There are several...
How do right whales size up? North Atlantic Right whales ( Eubalaena glacialis...
The Encyclopedia of Life and Atlantic Public Media bring us another installment...
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Many animals depend on their eyes to navigate, find food, locate mates, and for...

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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 dominant male who is established by...
Bottlenose dolphins ( Tursiops truncatus ) are very social animals, and...
The North Atlantic right whale is one of the world's largest animals, but...

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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...
The Baird's beaked whale is a species of toothed whale. Most toothed whales (which also include dolphins, killer whales and porpoises) live in social groups called pods. Read more about toothed...
This sea lion has been caught in killed in a giant drift net, or a “curtain of death,” as photographer Tom Woodward calls them. These giant drift nets, placed around the world’s oceans to catch...
Beluga whales are naturally vocal animals. They are often called “ canaries of the sea ” thanks to their wide repertoire of sounds such as whistles, squeals, moos, chirps, and clicks. Some...
“In late November, land-locked polar bears gather along the Hudson Bay to await the formation of Arctic ice so they can return to their seal-hunting grounds for the winter.” -- Nature's Best...
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...
Phoenix is seen skim feeding off the coast of Maine in August 2004. More about the right whale can be found in our Tale of a Whale featured story .
Jorge and I packed up the night we arrived in Panama with Aaron O'Dea and his team from STRI . The road we took in two field vehicles mostly followed the Panama Canal heading northwards; we had to...
The Surtsey site in Iceland was inscribed on the World Heritage List in 2008. Surtsey is a new island, formed by volcanic eruptions that took place from 1963 to 1967. The site is unique, because it's...
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...
The false killer whale (pdf) ( Pseudorca crassidens ) is a large dolphin that, despite its name, is not closely related to the killer whale. Instead, it's named for similarities in their skull shapes...
The critically endangered Hawaiian monk seal ( Monachus schauinslandi ) is one of hundreds of marine species that can be found cruising the waters of Papahānaumokuākea, a chain of islands northwest...
For nearly 35 years, National Geographic photojournalist Brian Skerry has been immersing himself in the big blue to get the perfect underwater photograph. He admits that there will never will be a "...
“This humpback uses its lower jaw to strain fish off the water’s surface as sea birds snatch their own meals right out of the whale’s open mouth.” -- Nature's Best photographer, Bryce Flynn. See more...
At the ends of the Earth, life thrives despite extreme conditions. In the Arctic and Southern Oceans, organisms have evolved adaptations to cope with year-round cold and six months of darkness. But...
Sirenians , or seacows, are a group of marine mammals that include manatees and dugongs . Currently, only a single species of seacow is found anywhere in the world. However, the fossil record of...
These southern elephant seals ( Mirounga leonina ) may look like beach bums, but when they are in the water hunting, they are anything but. Satellite tracking by tagging the animals has found that,...
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...
The common bottlenose dolphin ( Tursiops truncatus ) has lungs, but doesn't breathe through its mouth. Instead, toothed whales breathe through a blowhole on top of their head. Read more about...
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