What really happens to animals when the crowds go home and the cameras stop rolling.

More tigers live in cages across the U.S. than exist in the wild, a startling fact that reveals the hidden cost of captivity. While zoos often brand themselves as conservation champions, less than 10% of animals in their care are endangered species. And a 2017 YouGov survey found one in four adults are now more opposed to zoos than a decade earlier. Behind the glossy exhibits lie unsettling truths about what captivity really means.