Page 33 - One Million Things: Animal Life - The Incredible Visual Guide
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          3   FROGS                                                        5   SALAMANDERS                   Fire salamander
          Frogs have wide mouths, bulging                                   Found, like newts, in milder
          eyes, and short, compact, tail-less                                parts of the northern
          bodies with smooth skin. Their                                       hemisphere, salamanders
          powerful back legs and webbed                                         have long tails, slender
          feet are ideally suited for jumping                                   bodies, and four legs of
          and swimming. Many frog species                                       equal length. Although
                                                          American toad         including fire salamanders,
          live in tropical forests.                                             some live in water, most,                   Duck-billed tree frog
                                                                                live on land in damp
                                                                                locations where they    Odd-shaped
                                                                                                        head helps
                                                                               hunt at night for prey.   camouflage
                                                                                                        frog against
                                                                                                        tree bark







               Sucker pad on      Red-eyed tree frog
              the end of each
               digit aids grip                    Male keeps tadpoles
                                                  inside his vocal sac until
                                                  they become adult frogs
             Couch’s spadefoot toad  6                              Oriental fire-bellied toad




                                                              Bright colors warn            Green mantella frog
                                            Darwin’s frog
                                                              predators toad is                                                    Glass frog
                                                              poisonous




                                                                                                                   Heart and
                                                                                                              intestines can be
                                                                                                                seen through
                                                                                                              transparent skin
                                                                Large vocal sac
                                                                produces sounds
                                           Caecilian            to attract mates
                                       4
    Lungless salamander
                    Salamander
                    breathes
                    through its skin

                                                                         6   TOADS
                                                      Tungara frog      It can be difficult to tell them apart
                                                                        from frogs, but toads typically have
                                                                        dry, warty skins, little webbing between
                                                                        their toes, shorter legs for walking, and
                           Tiny legs form                               prefer living on land. Some, including
                           on tadpole
                                                                        Couch’s spadefoot toad, live in deserts
                                                                        and burrow to avoid the heat.

          4   CAECILIANS
          These legless, wormlike amphibians      External
          are found in hot, humid places. Some    gills                 Blind olm lives in dark,
          live underwater. Others use their                             watery depths of                     Olm salamander
                                                                        underground caves
          pointed heads to burrow into mud,
          where their keen sense of smell
          helps them detect earthworms and
          other prey, which they grab using
          their sharp teeth.


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                                                      (c) 2011 Dorling Kindersley, Inc. All Rights Reserved.


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