Spot the differences between chipmunks and ground squirrels with tips on their looks, tunnels, and winter habits.

Siberian tigers and Bengal tigers are the largest tigers in the world, but how do you tell them apart? Learn about the differences here!

The ZmBWV virus darkens superworm larvae, causing them to stiffen and die in a short time. Learn how it devastates breeders.

The rare grolar bear is a natural hybrid of grizzly and polar bears with a striking two-tone coat. It's a rare sight in the wild.

Giant petrels have sharp beaks and powerful wings. Watch these seabirds battle with it out to claim a hard-won meal in the wild.

From among 3,000 snake species worldwide, humans usually don’t sweat the small ones. It’s those massive snakes that could squeeze the life out of us and swallow us in one gigantic, long gulp (or kill ...

The rainforest is home to a diverse array of species, and these are some of the strangest, most unusual animals you'll find.

The surprising battle between a cellar spider and a wasp ends with the wasp losing. Find out more here about cellar spider ...

Scientists are learning new information about the swift and tiny ruby-throated hummingbird through a new tagging program.

Many people suffer anxiety over the mystery surrounding water moccasins and cottonmouth snakes. Are they two separate snake ...

Sea Otter Awareness Week occurs every September to remind people just why the marine mammals are so important and why they ...

Chad Wilson, a wildlife biologist from the Utah Department of Wildlife Services, provides insights about the largest bear in ...