Frogs are widely distributed, ranging from the tropics to subarctic regions, but the greatest concentration of species diversity is in tropical rainforest and associated wetlands. They account for around 88% of …

Nov 21, 2025 · Frog, any of various tailless amphibians belonging to the order Anura. The name ‘frog’ is often used to distinguish the smooth-skinned, leaping anurans from the squat, warty, hopping ones, …

May 7, 2021 · Frog: any member of a diverse group of short-bodied, tailless amphibians. There are over 5,000 species of known frogs, and scientists continue to discover new species. Frog species come in …

Frogs A frog is a big-sized tailless amphibian, distributed all over the world. There are about 6000 species of frogs out of which about 90 of them dwell in the United States. They stand unique among …

Aug 23, 2022 · Frogs and toads make up the largest group of amphibians. Species in this order, called Anura, substantially outnumber those in the two other living orders of amphibians — Caudata …

Aug 4, 2024 · Frogs – like salamanders and caecilians – are amphibians. They are cold-blooded and live part of their lives in water and part of their lives on land, going through metamorphosis and changing …

Historical Versus Current Distribution - Although their range is primarily boreal, Wood Frogs (Lithobates sylvaticus) are the most widespread North American amphibian species (Martof, 1970).

May 27, 2024 · The frog is the most common and populous of the three major orders of amphibians – and the only one that lacks a tail. The first true frogs evolved in the early Jurassic Period some 200 …

A list of the reptiles and amphibians of Iowa, and maps of their ranges.

Dec 11, 2025 · Despite the vast numbers of animal species already identified, the natural world is still capable of springing a few surprises. Deep in the cloud forests of the Serra do Quiriri mountain range …