During their hikes in 2023 and 2024, they found what they were looking for: several populations of Malleco spiny-chest frogs. Photos show the rediscovered species. Some of the olive-green and ...

Scientists have discovered millions of animal species. Among them are some rare creatures with unique features and behaviours.

DESCRIPTION: Stockier than other leopard frogs, the Chiricahua looks like a small bullfrog with spots. The adult ranges in size from about two to five inches in length, and females are larger than ...