Bill Johnson's border collie, Nip, was just doing her job when the black cow wheeled and lunged at the dog.
Lions will return to Rwanda for the first time in more than two decades, wildlife officials have said, after the endangered animal was wiped out following the country's 1994 genocide.
Thai wildlife officials began a headcount Friday of nearly 150 tigers kept by monks at a temple which has become the centre of a dispute over the welfare of the animals.
A celebrity mountain lion transformed a wealthy hillside neighborhood into a paparazzi-like scene of scrambling photographers before eluding everyone Tuesday and quietly slipping away.
A cat-eating lizard native to Africa is being targeted by Florida state wildlife officials who say the creatures, known as Nile monitors, could be dangerous to pets and people.
A sea otter that became an ambassador for her species after a remarkable recovery from an oil tar soaking off the coast of Northern California has been killed by a shark.
Alaska wildlife officials are preparing to release North America's largest land mammal into its native U.S. habitat for the first time in more than a century.
Some 2,000 migrating snow geese have died recently in eastern Idaho, likely from a disease that comes on quickly and can kill birds in midflight, wildlife officials say.
There are now more Mexican gray wolves roaming the American Southwest than at any time since the federal government began reintroducing the endangered predators.
Official say that an emaciated sea lion yearling that was probably looking for food was rescued along a major San Francisco boulevard, more than 1,000 feet from the ocean.