AmphibianPhotographed 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. |
Other editions - View all
Common terms and phrases
adult African clawed toad American bullfrog amplexus animals aquatic Asian painted frog back legs belly body forward body shape bones BOOKS DORLING KINDERSLEY breeding burrow caecilians camouflage cloaca crested newt dart frogs develop disks DORLING KINDERSLEY EYEWITNESS enemies European common frog EYEWITNESS BOOKS DORLING female fingers and toes fire salamander forests fossil frog's frogs and toads front and hind front legs hatch head hind legs horned frog Ichthyostega insects KINDERSLEY EYEWITNESS BOOKS land larvae leaf litter leap look lungless salamander male mantella mating embrace mouth move Newt larva newts and salamanders Northern leopard frog numbers orange striped newt pads palmate newt panther toad parotoid Poison-dart frogs poisonous ponds predators prey push red-eyed tree frog salamander's sharp-ribbed newt sirens skeleton skunk frog South America species sticky surface swim tadpole tail tiger salamander tomato frogs Triadobatrachus tungara frog vertebrae walk White's tree frogs