African wildlife expert Rob the Ranger captures leopard cubs resting in the shade of a large tree in Maasai Mara.

Dodging fire-ants, snakes and millions of nighttime creepy-crawlies, a group of trekkers advances through the humid Bornean ...

Tarsiers have the largest eyes relative to body size in the animal kingdom. Dragonflies boast dazzling, multifaceted eyes that shimmer like stained glass. Slow lorises have huge, pleading eyes that ...

Historically, the Chiricahua leopard frog lived in a variety of permanent aquatic habitats at elevations from 3,300 to 8,900 feet in central or eastern Arizona or south of the Gila River in the ...

The Chiricahua leopard frog is characterized by its spotted skin and distinctive snore-like call. Found near permanent water sources, like springs, lakes and rivers, the frogs can breed year-round ...

The Chiricahua leopard frog is characterized by its spotted skin and distinctive snore-like call. Found near permanent water sources, like springs, lakes and rivers, the frogs can breed year-round ...

Northern leopard frogs are now listed as endangered in the Northwest Territories after the NWT Species at Risk Committee re-assessed the status of two amphibious Northerners.

Crawfish frog numbers are on decline due to habitat loss. But scientists in Indiana are working to return species to a historic site. AILSA CHANG, HOST: ...

The frog is “moderate-sized” with adult males reaching lengths of up to 1.37 inches, and females reaching as much as 1.65 inches long, according to the study.

A new species of tree frog in Japan thought to belong to a different species is actually unique and has leopard-like markings on the thighs ...