Many animals have been observed using tools. For example, chimps tear leaves off of branches and stick them into holes to pull out termites, and wild dingoes have been observed moving objects to stand ...

While researchers are divided on the conclusion, the behavior shows wolves may be smarter than we thought. This still image of a wolf at night comes from a camera trap, which was part of an experiment ...

The U.S. Fish and Wildlife Service announced Wednesday that it had completed necropsies on two female wolves that died in the spring. Both were among the 15 wolves relocated to Colorado in January ...