The striped hyena is the smallest of the hyena subspecies and the only one found outside Africa. Unlike its larger spotted ...

Some of Earth’s rarest animals are so elusive they feel more like folklore than flesh and bone. We often think of endangered ...

Dozens of rare amphibians boarded a helicopter from the Bay Area last week, unaware of the journey that was ahead: a 250-mile flight to their new home in a national park. Yellow-legged frogs were once ...

An iguana at a zoo in the United Kingdom performed a "virgin birth," which zookeepers have hailed as one of the "rarest events in the animal kingdom." Workers at the Exotic Zoo in Telford, England, ...

An iguana at a zoo in the United Kingdom has given birth despite never having mated with a male, according to staff at the facility, who have hailed the "virgin birth" as "one of the rarest events in ...

As the federal government shutdown drags on into a second week, a critical animal recovery program based in Colorado has ground to a halt, delaying a reintroduction plan that could be crucial to the ...