Many of us know snakes are ectothermic reptiles that regulate their body temperature behaviorally by using shade, burrows, warm rocks, and even metabolic heat from digestion. But not everyone is aware ...

The oddball minority of animals that don’t lay eggs includes a tough little snail called a rough periwinkle. Unlike mammals giving birth to kittens and fawns and helpless little humans, this ...

Scientists have newly described three extraordinary species of tree toad that leapfrog over the egg-to-tadpole stage. The females give birth on land to dozens of toadlets, each measuring just a few ...