Page 47 - Mammal (DK Eyewitness)
P. 47

DUST BATH
                                                                        Some mammals, such as elephants, use the “dry-shampoo”
                                                                        technique, also employed by many birds to keep their feathers in
                                                                        tip-top condition. This is the dust bath, where dust is kicked or
                                                                        thrown onto the body and then rubbed and scratched and
                                                                        shaken, to dislodge dirt and loosen clinging parasites. The
                                                                        chinchilla maintains its luxurious fur in this way, there being
                                                                        plenty of dust in the rocky Andes Mountains of South America.
                                                                                              Time and energy spent grooming
                                                                                                 is worth it: the fur protects
                                                                                                   the chinchilla from the
               Long, deep fur                                                                         bitter mountain cold
                                                                                                             and wind.


































                                                                                           Chinchillas rolling in dust bath







        The underparts, which rub
        the ground and pick up                          Rat bends double to
        dirt, are cleaned by the                        clean its underside
        mouth and front
        paws (compare
        the cat’s
        method of
        grooming
        on the
        next
        page)












                                                                            HELPFUL FRIEND
                                                                            Creases in the rhino’s thick skin are ideal hideaways
                                                                            for ticks and other parasites. The tickbird helps its
                                                                            huge host by picking out and eating the parasites. The
                                                                            bird gets a meal, the rhino receives a cleanup - a
                                                                            biological relationship called symbiosis.

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