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 ...

Forever chemicals or PFAS double in concentration as they move up the food chain, increasing risks for top predators.

Apex predators are often seen as untouchable, but that status is not absolute. This video explores four top predators that are sometimes hunted by other predators. Competition, territory, and ...

Using chemical clues from Neanderthal bones, researchers have placed the species at the top of the food chain, alongside apex ...

The zoo’s public request has drawn lively debate online with some protesting the idea of turning pets into prey, and others praising the zoo’s efforts to maintain natural feeding behaviors A zoo in ...

(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 the zoo’s ...

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 the zoo’s predators.The ...