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 Aalborg Zoo in Denmark said it would take certain surplus pets such as chickens, rabbits and guinea pigs to be "gently euthanized" and fed to its captive predators.

The Aalborg Zoo has asked for donations of healthy and live chickens, rabbits, and guinea pigs to feed its predators, such as the Eurasian lynx