Crocodiles, monkeys, tigers, zebras and dozens of other taxidermy animals will move to new homes after concerns about arsenic ...

The official count, a legal requirement of the zoo's licence, saw more than 500 animals across 145 species totted up. A colony of Humboldt penguins, a rare okapi calf and a critically-endangered ...

Smithsonian/Roshan Patel For conservation scientists at the Smithsonian’s National Zoo and Conservation Biology Institute, helping animals “swipe right” on the best mate is all in a day’s ...