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 animals — in terms of both animal welfare and professional integrity," Aalborg Zoo said in a post on social media. The zoo in northern Denmark said that chickens, rabbits and guinea pigs were an important part of the diet of its predators, which need "whole prey," reminiscent of what they would hunt in the wild. "If you have a healthy animal that has to leave...