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Aquatic Mammals

Aquatic mammals such as whales and dolphins live and feed in the ocean. The Blue Whale is the biggest mammal on Earth.

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How Baleen Whales Work

Bushy mustaches like the ones that Magnum P.I. or Super Mario sport are a bold fashion statement. But for baleen whales, they never go out of style.


Solar Flares Could Scramble Signals, Cause Mysterious Whale Beachings

Why do whales beach? Learn more about a potential link between solar flares and whale beaching in this HowStuffWorks Now article. See more »

Orca Menopause May Be Related to Mother-Daughter Competition

Why do killer whales experience menopause? Learn more about orca and menopause in this HowStuffWorks Now article. See more »

Narwhal Echolocation Abilities Exceed Those of Any Other Animal, Study Finds

What are the echolocation abilities of a narwhal? Learn more about a new study on narwhal echolocation in this HowStuffWorks Now article. See more »

Humpback Whales Save the Day for Seals, Other Species

Humpback whales may have just attained superhero status, thanks to a study documenting how they've saved other animals from killer whales. See more »

Orcas Altered Their Own Evolution

A range of animals, from monkeys to humpback whales to orcas, develop cultures just like people do. That culture can drive evolutionary changes. See more »

SeaWorld Ends Orca Program

SeaWorld just announced that it is gradually ending its orca program. Learn more about the humane economy at HowStuffWorks Now. See more »

What makes beached whales explode?

What makes beached whales explode? Find out what makes beached whales explode at HowStuffWorks. See more »

Blue Whales are the largest animals in the world. Learn more facts about the Blue Whale at HowStuffWorks. See more »

Harp Seals can weigh up to 320 pounds. Learn more about the harp seal at HowStuffWorks. See more »

The Leopard Seal gets its name from the leopard-like dark spots on its coat. Learn more about Leopard Seals at HowStuffWorks. See more »