Scientifically-speaking there are 11 mammal groups, and most Mammals are warm-blooded, have body hair, give live birth and nurse their young with milk from mammary glands. Check out these articles about all kinds of mammals.
Yep, these adorable Seussian misfits play a key role in the local environment.
More than 180 countries signed a new agreement to combat trade of the pangolin—the most critically endangered animal you've never heard of. Will it be enough?
In research that showed intentional expressions of desire, horses have been added to the short list of animals that can use symbols to communicate with humans.
The most popular lady macaques show us why nitpicking pays off.
Can you tell one species of giraffe from the next? We've got some pics to help you out.
More than 30,000 African elephants are dying annually, according to estimates just released by the Great Elephant Census. Poaching is the main culprit.
Thanks to the work of conservationists, these rare California island foxes have been removed from endangered species list and marked totally recovered.
We do it. Chimps do it. A new study out of Japan investigates just how far back on the evolutionary ladder this totally adorable behavior goes.
Is it altruism? Revenge? Marine scientists aren't quite sure why humpbacks will sometimes save other animals from killer whales on the hunt.
The cuddly cubs were born in the same zoo that experienced disastrous flooding in 2015.
For some horses and ponies, Diet Coke can be a literal lifesaver.
Adolescent humans aren't the only creatures trying to get attention by doing their own thing.
Who's ready for operation iCow?
Hedgehog populations in Britain have dropped severely. Understanding how the animals have adapted to urban and rural spaces will help us help them.
Dutch researchers analyzed a surprising selection of exotic mammals to find which could most easily live alongside people in a humane way.
Talk about filthy lucre! Trace amounts of the precious metal turned up when scientists looked into bovine bathroom business.
Late-stage albinism? Disastrous paint spill? Marty McFly in giraffe form? Maybe the African mammal just has something in common with Michael Jackson.
Rising sea levels wiped out the entire population of a rodent species only found on remote Australian island Bramble Cay. Who's next?
The population-control strategy to rid the islands of the invasive species would use something called "gene driving" and GMO rodents.
Orcas have culture, just like humans do. And that culture can influence their evolution.
The baby camel is definitely cuter than his namesake, don't you think? No word yet on how Alexander Camelton feels about Federalism.
The good news is that new research expands the orangutan count, but the bad news is that it's not because the population has grown.
In a surprising way, the Southeast Asian mammal, AKA the bearcat, creates a chemical compound shared with roasty, toasty human food, according to a new study.
Prairie dogs are cute little vegetarians … who have no problem casually snapping the neck of a ground squirrel. And those that kill have another sexy benefit, too.
Researchers at Johns Hopkins have stumbled upon a previously unknown type of brain cell that tells mice when to stop eating. Could that work for humans?