But now the amphibian, described by one researcher as a "living fossil", is facing severe threats from factors including climate change and pollution. :: This Earth The frog can grow over to 11 inches ...

Crawfish frogs (Lithobates areolatus) were once common throughout the central and southern United States, but are now in decline in some of their range. The reasons aren’t completely known, but some ...

Amphibians are cold-blooded animals that can live both in the water and on land. When we think of amphibians, frogs and toads instantly jump to mind. Usually, we think of frogs as being quite small.