Spotted salamander, Ambystoma maculatum

From the first steps to global diversity. With over 7000 known species, amphibians have conquered the entire world with the exception of the polar regions and the oceans. They can be tiny in size or one and a half meters long, they lay eggs or give birth to live young, they live in water or on trees, are brightly colored or camouflaged. In fact, amphibians are a fascinating diverse species.