Page 62 - One Million Things: Animal Life - The Incredible Visual Guide
P. 62

SPEED



                 0.03                The members of the animal kingdom move at widely
                                       differing speeds. How fast an animal can move depends
                 mph                     on many factors, including its size, shape, and weight,
                                           whether it lives in the air, on land, or in water, and the
                 (0.05 kph)                 way it moves. In general, larger animals move
                                              fastest, especially those that live in open habitats
                                                such as grasslands or the ocean. Here are the
                                                                                                               6 mph
                                                  slowest, the fastest, and some in between.
                                                                                                                  (10 kph)







                                                      22 mph                                            BUMBLEBEE
                                                                                                        Despite their apparent bulkiness, these
                                                              (35 kph)                                  flower-feeding insects can use their
      GARDEN SNAIL                                                                                      wings to reach a good flying speed.
      Making leisurely progress on a film of                                                            On cool days, they beat their wings to
       slimy mucus, the garden snail is not built for                                                   warm up their bodies before taking off.
       speed. It creeps forward as a result of waves
       of contractions rippling down its single,
       muscular foot. If threatened the snail cannot
       flee, but retreats inside its protective shell.


                                                                                                              25 mph

                                                                                                                  (40 kph)







              3 mph                                 GENTOO PENGUIN
                                                    With sleek, streamlined bodies, penguins
                  (5 kph)                           move with ease in the ocean, powered by
                                                    their flipperlike wings. The fastest, South
                                                    Atlantic gentoo penguins, dart and turn to
                                                    catch krill and fish, and to escape enemies.


                                                                                               BLACK RHINOCEROS
                                                                                               This heavily built, powerful African mammal browses
                                                                                               on shrubs and low trees and has no natural enemies,
     COCKROACH                                                                                 aside from humans. Nonetheless, black rhinos have
     The fastest running insect, an                                                            poor eyesight and will charge with speed and agility
      American cockroach uses long                                                             if spooked by strange smells or sounds.
         legs to dart out of sight. It
           can conceal itself in the
              narrowest crevice.
                                                                                               TIGER SHARK

                                                                                               The ferocious tiger shark eats anything, including
                                                               33 mph                           jellyfish, seals, turtles, dolphins, and even humans.
                                                                                                It lives in warm coastal waters, where it uses rapid
                                                                      (53 kph)                 that pull its tail from side to side.
                                                                                               bursts of speed to catch its often fast-moving prey.
                                                                                               It has a streamlined shape and powerful muscles
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   US_060_061_speed.indd   60                                                                                                        12/1/09   12:36:21
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