While 100,000 drivers barrel down Interstate 25 in Colorado each day, moose, mountain lions, elk, deer, bears and pronghorn ...

Due to its vast size — stretching from Canada and Greenland in the north, to Mexico in the south — North America contains a vast range of habitats. From land to sea, there are forests, mountains, ...

Man holds eastern indigo snake drymarchon corais couperi© Rickard James, U.S. Fish and Wildlife Service / Public domain / Wikimedia Commons Have you ever wondered what the largest snake in North ...

Moose, elk, and bear are now able to cross a 6-lane highway in Colorado, thanks to the Greenland Wildlife Overpass—North America’s largest.

While North America might have the largest population of pet cats, it’s home to only six native species of wild cats. Unfortunately, deforestation and human interference have caused a decline in North ...

A whooping crane, one of the most threatened birds in North America, was spotted at Arcadia Marsh in northern Manistee County ...

Add Yahoo as a preferred source to see more of our stories on Google. On Saturday we showcased the extraordinary speed of North American pronghorn, with footage that showed the animals easily ...

(Gary Braasch / Corbis) When Polynesians arrived at the uninhabited Hawaiian Islands thousands of years ago, they found an array of colorful tree snails, each less than an inch in length, across the ...

Some of the most destructive invasive species in North America share one common trait: persistence. Managing feral swine is now a $1.6 billion requirement to protect U.S. agricultural interests, and ...

Wild boar, sus scrofa, digging on a meadow throwing mud around with its nose. Dynamic wildlife image of hog damaging ground while looking for a food.© WildMedia/Shutterstock.com What makes an animal ...