Many mammal populations in European and North American zoos are aging—a trend that jeopardizes the long-term viability of so-called reserve populations and, with it, a core mission of modern zoos in ...

Colchester Zoo staff have completed their annual mission of counting all animals who live at the zoo.

Many mammal populations in European and North American zoos are aging – a trend that jeopardizes the long-term viability of so-called reserve ...

It went from one of the worst zoos in America to a beloved menagerie filled with disabled and elderly native species. Now it may close for good. It went from one of the worst zoos in America to a ...