The Dogo Argentino, also known as the Argentine Mastiff, is a large, powerful, and muscular working dog originally bred in Argentina for big-game hunting (like wild boar and puma).

A new study documents the complex interactions between cougars and gray wolves in Yellowstone National Park and finds their ...

While pumas have killed thousands of Magellanic penguins in Patagonia, predator pressure alone is unlikely to drive the ...

A young mountain lion that was spotted roaming SF's Pacific Heights neighborhood since Monday night was tranquilized and captured, officials said.

A 77-pound mountain lion set off a scramble Tuesday as it wandered through San Francisco’s wealthy Pacific Heights ...

IT’S on your left,” I hear someone say, muffled through the water. I spin round and barely a foot away is a beautiful ...

Wildlife photographer Dave Kiely is used to keeping his distance, using a zoom lens to capture animals in stunning detail ...

Massi rushes down the slope, leaps across a slow-running stream and disappears inside a thick bush. Rosie, his young ...

To ensure the long-term survival of mountain lions, the California Fish and Game Commission is slated to vote to list the ...

A mountain lion recently spotted in San Francisco's Pacific Heights neighborhood has been located Tuesday morning, after it ...