The official count, a legal requirement of the zoo's licence, saw more than 500 animals across 145 species totted up. A ...

A colony of Humboldt penguins, a rare okapi calf and a critically-endangered, cotton-top tamarin baby are among the new ...

Spud brought his curiosity and playful personality to Zoo Boise in 2018, eight years after he was born at an Indiana zoo.

red wood ants protect aphids from enemies and in return collect the energy-rich honeydew, the bulk of their diet. Using camera traps, Arndt also captured larger animals lining up to get sprayed ...