Whether they crawl, fly, swim, slither, walk, run or pounce, wild animals rely on their instincts. Read about all kinds of wild animals, mammals, birds, fish, insects, reptiles and amphibians.
Toxic Toad Threatens Madagascar's Biodiversity
Parasitic Wasp Larvae Eat Host From Inside Out
Swamp Sparrow: Singing the Same Tune for Generations
Sharks Dig Jazz? Not So Fast
Pot Farming Threatens Adorable Weasel
Stinging 'Sea Lice' Invading Atlantic Beaches
Here's Why You Shouldn't Eat a Box Turtle in the Wild
Being eaten from the inside out by wasps sounds like something out of a nightmare, but for some caterpillars, sadly, it's just life.
By Jesslyn Shields Jul 17, 2018
The Humboldt marten was thought to be extinct until it was rediscovered in 1996. Now it is threatened again.
By Jesslyn Shields Jul 12, 2018
Bees "beard" together, sometimes to swarm, but usually to keep the hive cool during hot summer weather.
By Carrie Tatro Jul 11, 2018
Sea lice aren't actually lice — they're jellyfish — but they're no fun when they get in your bathing suit.
By Jesslyn Shields Jul 6, 2018
The American swamp sparrow has created an oral tradition that's lasted more than a millennium.
By Laurie L. Dove Jul 2, 2018
Breaking news: Dolphins and porpoises don't actually look very much alike.
By Jesslyn Shields Jun 28, 2018
Once a week or so, sloths climb down from their trees and poop on the ground. It feels so good, they do a little dance. But this time of pleasure is also a time of peril.
By Alia Hoyt Jun 27, 2018
The newest goblin spiders hail from Sri Lanka, and they're named after fanciful and fictional goblins and brownies.
By Robert Lamb Jun 21, 2018
What benefit does one bird get from copying another bird's calls?
By Mark Mancini Jun 20, 2018
Could such a simple change make a major impact? A new study says it's possible.
By Michelle Konstantinovsky Jun 20, 2018
Watch out if you want a bite of this bad boy. The Asian common toad has been spotted in Madagascar, and conservation ecologists are worried sick about it.
By Jesslyn Shields Jun 18, 2018
You can't tell a book by its cover, and you can't tell a squid by its Nosferatu getup.
By Jesslyn Shields Jun 11, 2018
Sea spiders don't do anything by the book, and researchers have just gotten to the bottom of how they breathe.
By Jesslyn Shields Jun 1, 2018
Once you accept squirrels aren't going anywhere, you can apply a more creative approach to keeping the critters away from your prized tomatoes.
By Jamie Allen May 31, 2018
It's easy to mistake a crow for a raven or vice versa. But the two birds are actually pretty different.
By Mark Mancini May 29, 2018
A new study seems to suggest that sharks prefer jazz to classical music but the researchers set us straight.
By Alia Hoyt May 29, 2018
Researchers have successfully used RNA to transfer a memory from one sea snail to another.
By Jesslyn Shields May 25, 2018
African Matabele ants always take the quickest route back to headquarters, which may not be the shortest path.
By John Perritano May 24, 2018
Spontaneous sex reversal in chickens is pretty rare, but it does happen. Find out how Miss Lucille became Mr. Lucille.
By Alia Hoyt May 23, 2018
Think your bed is cleaner than a chimp's? Researchers at North Carolina State University set out to find the answer.
By Kristen Hall-Geisler May 22, 2018
Koala populations in Australia are in decline, in part due to the ravages of chlamydia, a sexually transmitted bacterial infection.
By Carrie Tatro May 21, 2018
Oak processionary moth caterpillars can trigger allergic reactions causing everything from eye irritation to anaphylactic shock.
By Laurie L. Dove May 17, 2018
By incorporating algae into their bodies, these beautiful sea slugs become one of the few animals with the photosynthetic ability of a plant.
By Amanda Onion May 10, 2018
Snails can't pick and choose their shells like hermit crabs can. In fact, eviction means death. So how do those hard shells form over snails?
By Mark Mancini May 3, 2018
So-called "exploding ants" protect their colony and its territory by rupturing their bodies and sending out a sticky stream of poisonous gel.
By John Perritano Apr 27, 2018
Is Lectin-free the New Gluten-free?
How's Spear Phishing Different From Plain Old Phishing?