Shaggy black fur and large size distinguish this animal from all other Adirondack mammals. The black bear has a short, inconspicuous tail. The body and legs are short. The head is broad with erect, ...

"These extinct early mammals had distinct lifestyles, ranging from ground-dwelling and burrowing to gliding through the ...

Our earliest mammalian ancestors avoided the dominant dinosaurs by only coming out at night and having uniformly dark, ...

Both black and white rhinoceroses are actually gray. They are different not in color but in lip shape. The black rhino has a pointed upper lip, while its white relative has a squared lip.

Ancient mammals that lived in the time of dinosaurs were mostly the same dark-brown colour, according to a new study providing clues about how those mammals evolved as they faced giant predators.

The black-footed ferret could also be called the black-eyed ferret because of the distinctive “stick-em up” mask that adorns its face. The tan ferrets also have black markings on their feet ...

This 2-foot-long, black-masked member of the weasel family once occurred in central grasslands and basins from southern Canada to Texas but is now one of the most endangered mammals in North America.

The American black bear is a medium-sized bear native to North America. It is the continent’s smallest and most widely distributed bear species. Black bears are omnivores with their diets ...

A joint research team from China and abroad has for the first time found that mammaliaforms from the Jurassic and Cretaceous ...

The black-tailed prairie dog is an intelligent, sociable rodent that's a keystone species in the prairie ecosystem it calls home. This precocious little mammal is perfectly suited to its environment, ...