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In the late 1990's, researchers at the Woods Hole Oceanographic Institution (WHOI) invented the D-Tag —a radio device that can be attached by suction cups to a whale's back. Using a tiny underwater microphone,...
In honor of Mother's Day, the Citizens of the Sea blog salutes ocean-going...
How do we know where ocean animals swim day and night? Scientists are getting...
Whales swimming in the ocean are never really alone. Even if one swims by...

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Illustrator Drew Christie created this light-hearted short film about how humans could really learn something from whales. Check it out and learn about all the different cetaceans and our commonalities, such as a shared love for...
This close-up photo of a right whale's head shows dozens of hitchhikers—tiny...
West Indian Manatees, Trichechus manatus , are found in warm, shallow...

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The International Union for the Conservation of Nature ( IUCN ) maintains the Red List of Threatened Species , an inventory...

The Ocean Blog

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...
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...
This illustration shows how fishing lines attached to traps and buoys on the ocean floor present a potentially deadly hazard to North Atlantic right whales. Freeing entangled whales involves a...
Hoping to hear bowhead whales , NOAA marine mammal scientist Sue Moore listens to real-time sounds from an underwater hydrophone.
A Northern right whale swims with her calf
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...
Hear how research unfolds at sea in a tiny Zodiac surrounded by creatures that measure longer than a city bus. Playing female whale calls into the water, researcher Susan Parks suddenly finds herself...
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...
A harp seal ( Phoca groenlandica ) pup rests on the ice at sunset in the Gulf of St. Lawrence, Canada while its mother hunts. Adult harp seals have dappled gray fur, but the babies are born white and...
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...
The dolphins in this picture are spinner dolphins, ( Stenella longirostris ) named for how they spin in the air when they leap from the water. Spinner dolphins have four sub-species: the eastern...
“At night, spotted dolphins move offshore into the Gulf Stream’s deep waters in search of squid.” -- Nature's Best photographer, Andrew Sallmon. See more beautiful ocean photos in our slideshow of...
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...
How do we know where ocean animals swim day and night? Scientists are getting snapshots into the daily lives of whales , sharks , and even fish by tagging the animals to track their movements. You’ve...
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...
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...
Phoenix – our favorite North Atlantic Right Whale – was spotted feeding this week off the coast of New Hampshire! Researchers track these highly endangered whales (there are only about 450 of them...
This photograph was snapped as Phoenix swam in the Gulf of Maine in July 2008. More about the right whale can be found in our Tale of a Whale featured story .
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