Page 47 - World of Animals - Issue #30
P. 47

Leaping legends





             BOW-WINGED           Bow-winged                                                   How grasshoppers
             GRASSHOPPER                                                                       leap into the air
             Chorthippus biguttulus
                                  grasshopper                                                  jump depends on three main factors –
             Class Insecta                                                                     How far and how high a grasshopper can
                                                                                               their size, sex and species – but all make
                                  Loud singing in the city                                     their leaps in the same way. The insect
             Territory Europe                                                                  crouches down with its larger back legs
             Diet Plants          A study of common bow-winged                                 gripping the floor but folded beneath it
             Lifespan Unknown     grasshoppers found that the male insects
             Adult weight Unknown                                                              (they are around twice the size of the front
             Conservation status  altered the frequency of their calls when                    legs). It then uses its hind leg muscles to
                                  in cities, emitting a higher pitch so that the               push against the ground at just the right
                                  females could hear them over the hustle and                  speed and force to propel it forward.
              NOT EVALUATED       bustle of the urban environment.























          Mottled grasshopper

          The master of disguise that looks nothing like its friends
          The mottled grasshopper is highly variable in   dry grasslands and heathlands. Found across
          its appearance, combining green, grey, brown   Europe, this species can be identified by its
          and white to blend with its environment of   slightly club-like antennae.







                                      50x                                   10x                                      8x

                                       ITS OWN                               ITS OWN                                 ITS OWN
                                       LENGTH                                 HEIGHT                                 LENGTH













                     Jumping spider                          Klipspringer                          Red kangaroo
                    50 times its own length                10 times its own height                8 times its own length
           When jumping spiders contract the muscles in   This petite species of African antelope walks   Red kangaroos are able to cover up to eight
            their body, blood pressure is increased in the   around on its toes but can leap skilfully from   metres (25 feet) in a single leap and jump to a
            third or fourth pair of legs. This causes them   one rock to another, absorbing the shock of   huge height of 1.8 metres (six feet). That’s no  © Alamy; FLPA; Getty; Nature PL; Thinkstock
           to expand very quickly and the resulting act of   a jump with its four hooves, which are the   mean feat for an animal that weighs as much
           extending the legs then launches them into the   consistency of hard rubber. Klipspringers can   as 90 kilograms (200 pounds) and is up to 1.6
          air. A strong silk thread is released as a tether to   stand on an area of rock as small as three   metres (5.3 feet) tall. The secret is the immense
                      control the jump.               centimetres (1.2 inches) in diameter.       power in its hind legs.


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   042-047_Grasshoppers.indd   47                                                                                        03/02/2016   15:24
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