Page 63 - Mammal (DK Eyewitness)
P. 63

Hedgehog footprints


                         Badger                                                                              Hedgehog   Rat footprints



                                             Toe pads





                                                                                                     Four toe
                                                                                                     prints visible
                                                                                                          3
                      Main foot pad                                                                    2
                                                                                                                4
                Small inner toe                                                                     1





                                            Fore-print                                             Front print
                                                                                                            Hind print


                                  BIG FOOT
                                  The distinctive imprint of the
                                  badger has five toe pads in a
                                  curved line above the main pad,
                                  although the inner toe is small and
                                  may leave only a small mark. These
                                  heavily built carnivores are planti-
                                  grade (p. 59) and usually leave                                 Print of skin­covered pad
       Hind print                 good tracks. In its rolling walk, the
                                  badger’s left and right limbs have a                             MISSING BIG TOES?
                                  large gap or straddle between them.                              The five-toed hedgehog
                                                                                                   usually leaves a four-toed
                                                                                                   track, because its inner
       COMMON PRINTS: FOX OR DOG?                                                                  (1st) toe is smaller and
       The red fox’s prints can easily be mistaken for a dog’s. Both of these                      held farther from the
       carnivores are digitigrade, like the cat opposite. The fox’s claws are                      ground. Like the badger,
       usually visible and they are slightly longer and narrower than a dog’s                      this stocky, plantigrade
                                                                   LEAVING LITTLE IMPRESSION
       claws; also, the fox’s toe pads are relatively         Surprisingly, the heaviest land mammal, the   walker shows
       smaller and more offset from center                   elephant, often does not leave much of a mark   considerable straddle,
       than in a dog. The hair between the                    with its feet. In soft ground there is a large,   with a gap of about 2 in
       pads shows clearly, and in winter it                 rounded print (above). But on looser, sandier soil   (5 cm) between right and
       may grow so long that it obscures                    the flexible foot pads (p. 59) spread the weight so   left feet. The toes of the
       the pads and blurs the print’s                         effectively that prints are shallow or absent.  front feet are more
       outline. As it trots, the fox puts each                                                     splayed (spread) than
       back paw in the print made by the                                                           those on the back feet.
       front paw on that side of the body.
                                                      Fur between
                                                      toes shows    ON THE TRAIL OF THE RAT
                                                      in print      Rats and mice are small, light
                                                                    creatures and seldom leave            2
                                                                    distinct tracks, except perhaps   Four toes  3
                                                                    in thin snow or in the dust on     1
                                                                    a shelf or granary floor. The
                                                                    toes are spread out and the   Foot pad      4
                                                                    claw points are sometimes
                                       Front print
                                                                    visible. As in other mammals,      Front print
                                                                    the sole pads have sweat
                                                                    glands that leave tiny traces of
                                                                    sweat in the prints. Rats also
                                                                    leave greasy smear-marks along
                                                                    well-used trails in buildings.          3  4
                                                                                              Five toes  2
                                                                                                                5
                                                                                                       1
       Red fox                                                                                          Hind print
                                                      Hind print

                                                                      Brown rat



                                                             1                                   Fox footprints




 (c) 2011 Dorling Kindersley. All Rights Reserved.
   58   59   60   61   62   63   64   65   66   67   68