Two new studies into lizard colors reveal how one species maintains its colorful diversity while others are losing their ...

Three near-identical U.S. lizards have kept their identities for millions of years in a way that researchers compare to the ...

The side-splotched lizard (*Uta stansburiana*) is a reptile commonly found in California, the United States. In spring, the ...

From three morphs to one: Across 220 populations, the pattern is consistent: where "Hulk" arrives, yellow and orange throat ...

A newly evolved, aggressive “Hulk” wall lizard is spreading out from the Rome region — and researchers are watching a million-year stable system unravel in real time. From three morphs to one: Across ...

Experts suspect that the egg may have been that of a mosasaur, a marine reptile popularized in recent years by the Jurassic ...

A psychedelic spider, sign of spring, a loud primate and more make Fauna & Flora’s 2026 Species to Watch List.

In his new National Geographic series Pole to Pole, the actor ventures deep into the Amazon in search of creatures whose ...

Fauna & Flora and our partners will be working to stop endangered species going extinct in 2026, including Temminck’s ...

When people talk about “the biggest spider,” they’re usually mixing two different records: the longest leg span and the ...

Anguilla's Lesser Antillean iguana population was under threat until conservationists stepped in to create a private island paradise.