Page 31 - World of Animals - Issue #30
P. 31

Follow your nose
                                              Zebras have to inhale through their
                                              noses as there is no airway through
                   Erect mane                   the mouth. They even produce
                                                    e s
                                                      o
                                                   l
                                               bark-like sounds from their nostrils
                                                   k
                                                   i
                                                       u
                                                                h
                                                              m t
                                                                 e
                                                                  r n
                                                                  i
                                                         d
                                                        n
                                                          s f
                                                             o
                                                            r
               Unlike a horse’s, a zebra’s     b a r k - to alert others to danger. o s t r i l s

                 mane stands stiffly
                 upward. A predator
                aiming a bite may miss           Why so striped?
               if they target the coarse
                                           There are several strong theories for
               hair rather than the neck.  T h e r e a r e s e v e r a l s t r o n g t h e o r i e s f o r
                                            why the zebra is striped. The stripes
                                            w h y t h e z e b r a i s s t r i p e d . T h e s t r i p e s

                                             could provide camouflage, act as
                                            a mechanism to keep cool or deter

                                           tsetse flies that spread fatal diseases.
                                                                 Skull

                                                                           Keep flies at bay
                                                                        Skin parasites are a serious
                                                                       threat and the tail swats away
                                                                        harmful flies. Zebras cannot

                                                                      reach their own rumps to groom
                                                                      themselves, so their tail takes on
                                                                            the job for them.
                                                                          Zebras have a degree         Like most other prey animals,
                                                                          of night vision as large     zebra eyes are placed on each side
                                                                          predators like lions are     of the head to provide a wide field

                                                                          known to hunt at night.      of vision to watch for predators.
                                     Trachea
                           Oesophagus

                            Rounded heart
                            The semi-spherical
                            heart is assisted by
                             structures called                            Long eyelashes keep the
                            ‘frogs’ in the hooves.                        eyes free from dust and
                              With each step,                             debris to maintain the
                             these pump blood                             animal’s sharp vision.
                              up the leg, back
                             towards the heart.
                                                                           Closest family
                                                                           Closely related to the zebra are…









                                                                           Quagga           Horse            African wild ass
                                                                           Quaggas shared many   Horses share an ancient   This critically endangered
                                                                           traits with modern zebras,   ancestor with rhinos and   species has banded legs,
                                                                           including a section of bold   tapirs. Zebras were one   similar to its stripy cousin.
          Female abduction 1-2 years  Bachelor boys 2-3 years  Establishing a harem 4 years  stripes on their head and   of the earliest species to   Their range is limited to
          Mature males jostle for the right   Female zebras automatically  Finally, male zebras gain the social   neck. They lived alongside   diverge from the lineage,   northern Ethiopia and
          to mate with a young female, and   belong to a harem, but   skills, strength and reproductive   zebras in the southern tip   with modern horses   southern Eritrea, but

          she is claimed by the male that can   young, immature males band  drive to recruit females into their   of Africa but were hunted   arising around five million   once extended to Djibouti,
          outcompete the others.  together for protection.  very own family unit.  to extinction in 1878.  years ago.  Somalia, Sudan and Egypt.
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   024-033_AA_Common Zebra.indd   31                                                                                     03/02/2016   16:20
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