Most vertebrates have two sets of chromosomes, one from their mother and one from their father - including humans who are thus diploid. In contrast, polyploidy, meaning to possess three or more sets ...

A green toad floats near the water surface among reeds, remaining almost motionless. The calm scene captures a subtle moment ...

A green toad rests at the water’s surface, its patterned skin and bright eyes clearly visible. The moment reveals the toad’s calm presence within its wetland habitat. Weather warning issued before ...

Most everyone recognizes frogs. Frogs, like salamanders and newts, are amphibians. Unlike salamanders, they have made a major evolutionary detour from the body plan of their ancient ancestors. The ...

JOHNSON CITY, Tenn. (WJHL) — 15 out of the 21 documented frog and toad species in the Volunteer State can be found in and around East Tennessee. While toad and frog classifications are often used ...