Rachael has a degree in Zoology from the University of Southampton, and specializes in animal behavior, evolution, palaeontology, and the environment.View full profile Rachael has a degree in Zoology ...

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Researchers analyzed CT scans of nearly every living amphibian genus to reveal that frogs have lost teeth over 20 times during their evolution, more than any other vertebrate group. Scientists have ...

While this Pac-Man frog doesn’t run around the forest devouring little dots like its video game namesake, the real-life members of the species are big eaters and can swallow prey almost half their ...