How does a thin-skinned, cold-blooded creature survive a below freezing Colorado winter without a fur coat or a ticket south? Frogs, toads, and salamanders are all examples of amphibians, a ...

Mammals are not especially diverse. Roughly 6,800 mammal species are known to exist, compared with about 8,800 species of amphibian, 11,000 species of bird and 12,500 of reptile. Yet when most people ...

Maps have long been used to show the animal kingdom’s range, regional mix, populations at risk and more. Now a new set of maps reveals the global distribution of genetic diversity. “Without genetic ...

Take a mama salmon, for example. It lays thousands of eggs at a time which the males fertilize thoroughly. The salmon packs each egg with more yolk compared to an urchin, that means more proteins, ...

Roughly 6,800 mammal species are known to exist, compared with about 8,800 species of amphibian, 11,000 species of bird and 12,500 of reptile. Yet when most people picture biodiversity, they often ...

The most detailed world map of mammals, birds and amphibians ever produced shows that endangered species from these groups do not inhabit the same geographical areas, says new research. The most ...

A species of worm-like amphibian has been caught on camera feeding milk to its young. The creature, known as a caecilian, lives underground. Researchers believe that the animal developed the ability ...