Living Amphibians of the World

adult Africa amphibians animal appear aquatic become body brown Bufonidae bullfrog burrow caecilians captivity cave Ceratophrys cloaca color Colorado River toad creatures dark Dendrobatidae developed earthworms eggs eggs are laid eyes feed feet female female's fingers fish frog Rana froglet genera genus gills glands green habits hatch head hiding hind legs horny Hylidae Hynobiidae inches in length inches long insects Jack Dermid kinds known larvae leap leave the water leptodactylids live lungs male manders mating metamorphosis Microhylidae mouth narrow-mouthed toad nearly newt North occurs parotoid glands platanna Plate Plethodontidae poison pond pool rain Ranidae rock sala salamander secretion shallow Simmons skin sometimes soon South America southern spadefoot species spots stage stones stripe surface Surinam toad swim tadpoles tail terrestrial toad Bufo toes tree frog Hyla true toads usually vivarium vocal sac voice worms young