New research shows female plains spadefoot toads listen up for the best mate.
Snake species recycles poison collected from its own prey.
Researchers suggest that a previously unidentified factor may drive whales to migrate.
They release "mobile grenades" -- tiny balls of stinging cells that are shaped like popcorn and can swim under their own power.
For tufted golden orb weavers, losing a leg is better than losing their life.
The researchers hope to resurrect a variety of date that was praised in antiquity but lost to time.
309 million years ago an animal that resembled a lizard wrapped its tail around a younger member of its species.
The bigger the whale, the tougher it is to find a decent meal.