A zoo in northern Denmark is trying to mimic the natural food chain of the predators it houses — including lions and tigers — by feeding them small donated pets. The Aalborg Zoo asked for donations of ...

Humans are often described as “super-predators,” but wildlife may not respond to us as uniformly as once thought. People have risen to the top of the food chain by hunting, trapping, and fishing on a ...

AALBORG, Denmark (CNN) — A zoo in northern Denmark is asking pet owners to donate their unwanted guinea pigs, rabbits, chickens and even small horses – not to put them on display but to feed them to ...

Polar bears—one of the most important apex predators in the food chain—are facing population decline amid climate change and ...