Detailed weight data on wolves near Yellowstone reveals that Wyoming's wolves seem to weigh much more than gray wolves in other parts of the Lower 48. Here's why ...

Add Yahoo as a preferred source to see more of our stories on Google. A powerful silverback gorilla and a grey wolf stand face-to-face in a dense, mossy forest clearing.© A-Z Animals The post A ...

Canis lupus body size is dynamic and complex, and biologists aren’t in total agreement about why wolves are much larger in ...

Epicyon haydeni, or Hayden’s bone-crushing dog, roamed North America between 12 and 6 million years ago during the middle to late Miocene epoch. Its fossils have been discovered in at least 12 ...

When thinking of incredible animals, the gorilla and wolf may be two that come to mind. After all, the world's largest primate and the apex predator each have their arsenals of spectacular traits.