Marine Mammals
Aquatic mammals such as whales and dolphins live and feed in the ocean. The Blue Whale is the biggest mammal on Earth.
Baby Bats Babble With Moms, Hinting at Human Language Development
Fruit Bats Are the Best Pollinators (and Suppliers of Tequila)
Brazilian Free-tailed Bats Are Way Faster Than We Thought
Alaska's Kodiak Bear Is One of the Planet's Biggest
What's the Difference Between a Brown Bear and a Black Bear?
How Polar Bears Work
Gray Wolves Will Get Federal Protection Again in Much of U.S.
The Serval Stands Tall and Jumps Like A Champion
Are Dingoes Dangerous (and Did One Really Eat a Baby)?
Dik-dik: The Tiny Antelope With the Embarrassing Name
Are Mules, Burros and Jackasses All Donkeys?
Tapir: The Ancient Fruitarian With the Tiny Trunk
What's It Like Inside a Kangaroo's Pouch?
Do Kangaroos Really Box?
The Smiley Quokka Is an Australian Super Survivor
The Tarsier Is One Weird Primate, and Yes, We're Related
Marmosets Are Tiny, Upper Canopy-dwelling Monkeys
Why Do Gorillas Beat Their Chests?
How Long Do Squirrels Live?
'Splooting': It's What All the Cool Squirrels Are Doing This Summer
Squirrels Get Jacked During Hibernation; No Weights Needed!
The Pink Fairy Armadillo Is as Mystifying as Its Name
The Coatimundi Is Cute But Doesn't Make a Good Pet
Great Escapes! 5 Wild Animals Who Busted Out and Went on the Run
Learn More / Page 2
Dog shows aren't the only places you'll hear barking and clapping. Seals and sea lions welcome beachgoers with their uproarious get-togethers. But how do you tell the difference between the two?
海豚和战争?That seems like an unfortunate pairing. But the U.S. Navy has been training the gregarious sea creatures to spot sea mines since the 1960s. Are they good at it?
Some people call orcas the wolves of the sea, yet others want to swim with them. Why are these animals known as killers -- or are they just getting a bad rap?
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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.
Each year, thousands of male Pacific walruses pack the beaches of Round Island off the coast of Alaska. Is there a reason for this months-long male bonding?
If you're wandering on the beach and happen upon a large mass of some sort of waxy substance, take a closer look. It could be the rare "floating gold" of the sea: ambergris. Find out whether this whale poop can help you retire rich.
Despite their monumental proportions, the most phenomenal thing about whales isn't how big they are: It's the way they live. Whales are mammals -- warm-blooded, air-breathing creatures -- but they spend their entire life in the ocean. Find out about these awe-inspiring creatures.
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Do whales and dolphins sleep? I know they have to come to the surface of the water periodically to breathe, so wouldn't they die if they dozed off?