Learn about some of the strange and unusual facts and terms in the animal kingdom.
10 Dogs Who Made History
Nutria: River Rats Only a Mother Could Love
DNA Database Helps Nab Rhinoceros Poachers
Ancient Fish Strutted Seafloor Before Land Animals
Check your chicken's earlobes (yes!) to know what color eggs you'll get.
By Christopher Hassiotis Mar 12, 2018
Animals leave their marks on the ecosystem in ways you probably never imagined.
By Mark Mancini
The common shrew takes some pretty drastic measures to survive winter.
By Robert Lamb Oct 23, 2017
Connecticut new "Desmond's Law" is the first in the nation that appoints legal advocates in animal abuse cases.
By John Perritano Jun 9, 2017
Mummified seals. Skeletal penguins. Massive whale bones. Antarctica is a weird and wonderful place.
By Christopher Hassiotis May 16, 2017
What do mammals have in common? We're warm-blooded. We feed their young with milk. And we all take the same amount of time to defecate.
By Jesslyn Shields May 10, 2017
Do non-human animals have equivalent categories to our A, B and O blood designations? Can animals donate blood?
By Jesslyn Shields May 5, 2017
The Beagle Brigade is an important part of U.S. Customs and Border Protection. The dogs are trained to sniff out fruits, foods and plants in international passengers' luggage as they arrive in the airport terminals.
By Michelle Konstantinovsky
Twins pandas born at Zoo Atlanta were sent to China and are reportedly having a hard time adjusting. But is that culture shock or something else?
By Alia Hoyt Apr 11, 2017
Whether through biology or behavior, nonhuman animals have to avoid sun damage just like we do.
By Jesslyn Shields Apr 7, 2017
Pets might have more to do with a child's psychological well-being than previously thought, and moreso than even their brothers and sisters.
By Jesslyn Shields Feb 3, 2017
No, a tardigrade's not a type of time-traveling police box on "Doctor Who." It's an ancient water bear, of course!
By Oisin Curran
From musicians to politicians, a bunch of famous folks can now say they have entire species named in their honor.
By Kate Kershner Jan 4, 2017
The toughest animal in the world has just released its first sex tape, and as with all things water bear, things get pretty freaky.
By Jesslyn Shields Dec 14, 2016
A new tool helps visualize how a changing climate will force animal species to relocate.
By Jesslyn Shields Nov 29, 2016
There's little we can imagine that Mother Nature hasn't already dreamed up in one of her fouler moods. Care to meet some creatures with frightful features?
By Nicholas Gerbis & Melanie Radzicki McManus
There's no way humans will outlive the tardigrade, but we might be able to steal some of its powers while we have the chance.
By Julia Layton Oct 3, 2016
If you think there's one easy explanation behind this cute canine behavior, think again.
By Laurie L. Dove Jul 8, 2016
But how do you diagnose a pet's mental state when it can't talk to you?
By Alia Hoyt Jul 6, 2016
Hate to say it, but some animals have jobs that are far more interesting — and more lucrative — than yours. Who are these lucky dogs?
By Melanie Radzicki McManus
The Hydra is a fearsome, tiny predator that stings and swallows its prey — through a mouth it had to rip its own skin to create. But how does it do that?
By Robert Lamb Mar 11, 2016
The only thing we have to fear is fear itself, said FDR, but he wasn't a biologist. Scientists examined what impact the fear of apex predators can have on an ecosystem.
By Jesslyn Shields Mar 3, 2016
Don't worry about transmitting the cold or flu to your furry friends. In fact, some time cuddled up can help with your sickness.
By Laurie L. Dove Jan 25, 2016
Will we witness personhood for other animals in our lifetime? It's not out of the question, thanks to a recent court decision.
By Dave Roos Jan 20, 2016
In times of strife and conflict, it's good to remember that differences are OK. Here's a dose of adorable: nine interspecies interactions that didn't end up in a meal.
By Karen Kirkpatrick Jan 12, 2016
Breaking the Cycle of Addiction, With Hallucinogens
Are People Dying to Find Fenn's Treasure?