The unprecedented reliance of a single Sierra Valley wolf pack on livestock for food cost local ranchers and the state of ...

California wildlife officials euthanized four wolves and will relocate three juveniles. Nonlethal deterrence failed after months; pack killed 87 cattle from March to October. State removes the Beyem ...

Reintroducing grey wolf populations to the wild has been a controversial topic. Researchers studying grey wolf populations in Yellowstone National Park have discovered an intriguing reason why some ...

Two of the world's top predators squaring up. Grizzlies and wolves are common in a few ways, and very different in others. Both are predators, using both hunting and scavenging methods to secure their ...

Toxoplasma gondii '' are more likely to become leaders of the flock than wolves that are not, and are more likely to leave the flock and become a single wolf. Toxoplasma, which uses feline animals as ...