There are now more Mexican gray wolves roaming the American Southwest than at any time since the federal government began trying to reintroduce the predators nearly two decades ago.
The rusty patched bumblebee has become the first bee species in the continental U.S. to be declared endangered after suffering a dramatic population decline over the past 20 years, federal officials said Tuesday.
A native California frog once on the brink of extinction is making an encouraging comeback in Yosemite National Park, raising hopes for amphibians like it worldwide that are dying off at an alarming rate, researchers said ...
State researchers are using radio collars to track the movement of 16 female black bears living in or near a state forest in the Florida Panhandle.
Federal wildlife officials on Thursday made a formal recommendation to list the rusty patched bumble bee as an endangered species because it has disappeared from about 90 percent of its historic range in just the past two ...
An online video showing an American hunter spearing a black bear and leaving the animal to die in the Canadian woods has prompted outrage and calls to ban the "archaic" practice.
A fully grown Indian elephant that washed up in a swamp in Bangladesh after being caught up in raging floodwaters has become a jumbo problem for wildlife officials on both sides of the border.
A group of Montana and federal wildlife officials has expressed opposition to a $57 million concrete dam and fish bypass that the U.S. government says would help an ancient and endangered fish species in the Yellowstone River.
The release of more than 900 Wyoming toads in a valley Wednesday could lay the groundwork for helping the critically endangered species and other amphibians resist a devastating fungus, researchers say.
Hunters soon could be chasing grizzly bears across the ridges of the Rocky Mountains, leaving three states to drum up plans to ensure the iconic species won't be snuffed out soon after recovering from threats to their survival.