Photographed in full color . Take a close-up look at the first vertebrates to conquer land--from familiar bullfrogs and toads to unusual legless caecilians and eel-like sirens. Explore their anatomy, behavior, and pivotal place on the evolutionary time line.
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Photographed in full color . Take a close-up look at the first vertebrates to conquer land--from familiar bullfrogs and toads to unusual legless caecilians and eel-like sirens. Explore their anatomy, behavior, and pivotal place on the evolutionary time line.
Read Less