While 100,000 drivers barrel down Interstate 25 in Colorado each day, moose, mountain lions, elk, deer, bears and pronghorn are happily hoofing right over their heads. The Greenland Wildlife Overpass, ...

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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, ...

Greenland Wildlife Overpass in southern Douglas County is now open for wildlife to safely cross Interstate 25. (Courtesy photo, Colorado Department of Transportation) North America’s largest wildlife ...

DOUGLAS COUNTY, Colo — The largest wildlife overpass in North America is now complete and open to animals along Interstate 25 in Douglas County. The Colorado Department of Transportation (CDOT) said ...

See wild icons that define the American landscape and the Explorers urgently pursuing their protection.  California is home ...

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 ...

This week, wildlife experts from around the country have gathered in Lake Placid, NY, for the North American Moose Conference ...

(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 ...

How people view and treat wild animals can vary dramatically from one part of the world to another. In the first ...