Fossil and modern wolf teeth show that as winters grow warmer and snow declines, gray wolves are forced to work harder for food.

Wolves have been seen as a fearsome animal to many for over a century. Because of this and the fact that they are opportunistic hunters who will not hesitate to hunt a weak livestock animal, states ...

Over this time, wolves have had to endure numerous changes in the planet’s climate. The cycles of the Ice Ages repeatedly changed their habitat and available prey, providing an insight into how modern ...