In a statement, the shareholders say they had invested in the zoo and were unhappy that it was not making money. Video shows the tigers mauling the donkey for half an hour before finally killing it.
In Latin America, they drink the blood of big animals and can spread rabies. Livestock die. So do people. Ranchers want to wipe the bats out. Does anyone think that's a bad idea?
Paul Nicklen has spent decades documenting the Arctic and the Antarctic. "I want people to realize that ice is like the soil in the garden," he says. "Without ice the polar regions cannot exist."
The proposal would allow five energy companies to incidentally harass ocean wildlife by using seismic air guns for oil and gas exploration, much to the chagrin of environmental groups.
Livestock farmer Jon McConaughy's animals live their whole lives on his farm - and die there, too, in his slaughterhouse. He tries to make the end as stress-free and respectful as he can, he says.
The state's legal advocates are one sign of the emerging field of animal law. In 2000, nine law schools had courses in animal law; by 2015, that number was 151.
In NPR's Elise Tries series, correspondent Elise Hu tests out new experiences in East Asia. In this inaugural episode, she visits a South Korean animal cafe. Things don't go as smoothly as planned.
People and other primates have an amazing ability to instantly recognize faces. Scientists at Caltech found that we do that by having 205 specialized brain cells divvy up the task.