Joshua Zeman recounts the path from his previous doc, “The Loneliest Whale” to his new film called "Checkpoint Zoo." ...

A zoo in Denmark is asking pet owners to donate their animal companions — their guinea pigs, rabbits, chickens and even small horses — to feed to its predators.

Aalborg Zoo, a park in Denmark, asked the public to consider donating unwanted 'small pets' — including chickens and rabbits — to the zoo so that the park can feed the animals to its predators.

A Denmark zoo is asking the public to donate their pets -- particularly chickens, rabbits and guinea pigs -- so that they can feed them to the zoo’s predators.

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.

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.

Denmark's Aalborg Zoo defended a program asking for pet donations to feed predators as natural behavior, while PETA called the initiative unnatural and unnecessary.

A zoo in Denmark is asking for donations of small pets as food for its predators. The Aalborg Zoo said it is trying to mimic the natural food chain of the animals housed there.

A zoo in Denmark has appealed for unwanted pets to feed its predators. Aalborg zoo in northern Jutland issued a call for small healthy animals to be donated to ensure “nothing goes to waste”.

A zoo in Denmark is asking the public for donations of unwanted small pets or horses to feed its captive predators. "In zoos, we have a responsibility to imitate the natural food chain of the ...

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Denver Zoo’s only hippo will move to the Lone Star State this fall so the organization can conserve water and update the hippo exhibit, which no longer meets certification standards.