The wolf pups, which range in age from three to six months old, have long white hair, muscular jaws and already weigh in at around 80 pounds — on track to reach 140 pounds at maturity ...

The wolf pups, which range in age from three to six months old, have long white hair, muscular jaws and already weigh in at around 80 pounds — on track to reach 140 pounds at maturity, researchers at ...