All non-aquatic vertebrates descend from a common ancestor, a tetrapod of approximately 360 million years ago – which possessed a tail. The existence of the tail was primarily for balance, ...
Once again, Australia has proved that it really does have the strangest animals in the world. One resident has taken pictures of a toad with five legs hopping around his backyard. Michael Messenger, ...
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 ...
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