Page 93 - World of Animals - Issue #39
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Animal answers



                What affects the                                  Which animal produces
                position of animal eyes?                          the richest milk?

                Animal anatomy is shaped by evolution, and those that have
                evolved with the need to look behind them have eyes on the sides   Hooded seal milk is 60 per cent fat,   suckle for four days, and the mother
                of the head. Those that need to stalk prey have eyes on the front   which is extremely rich compared to   can dispense around eight litres (17
                of the head, generally speaking. The two types of vision are called   the three per cent fat in human breast   pounds) of milk in each 24-hour period.
                monocular and binocular vision and they help the animal survive in   milk. This high-fat liquid helps newborn   After this short period of feeding, the
                its particular environment.                      seal pups survive the harsh Arctic   newborn seals are double their birth

                  Most predators can afford to face forward at all times as they   temperatures, as these mammals give   weight and well-equipped to swim in

                are at little risk of being attacked. Wolves have eyes that point   birth on floating ice. The pups only   the freezing north Atlantic waters.
                frontwards to help look out for scampering prey, as the two eyes
                create overlapping images that show the detail in the environment.  Mammal milk compared
                 Most prey animals need to be extremely aware of what might be   Animal parents give their young exactly what
                sneaking up behind them, and that’s why their eyes are positioned   they need to grow up as fast as possible
                on the side of the head. This means the animal can see almost 360
                degrees, though the images are not as detailed as those registered
                by two eyes simultaneously. Hare eyes can see in every direction,

                giving the animal a fighting chance of surviving an attack.






                                                                  Hooded seal   Human milk   Tammar wallaby   Eastern cottontail rabbit   Black rhino milk
                                                                 milk is 60% fat  is 3% fat  milk is 14% sugar  milk is 15% protein  is only 0.2% fat


























                  What will be the next species to go extinct?                        ABOVE Hooded seal
                                                                                      pups have a shorter
                                                                                      weaning period than any

                  It’s diffi cult to predict, but there are a few species   the fishing industry, causing numbers to decline   other mammal

                  that are in real danger of disappearing in just a   by 80 per cent in the last 20 years.
                  few years’ time. The northern white rhino is a   The next animal that is likely to be declared
                  subspecies, but there are only four le  on the   extinct is the ivory-billed woodpecker. It may have

                                                    extinct is the ivory-billed woodpecker. It may have

                                                    died out already, but the scientifi
                  planet and just one of them is male. They are   died out already, but the scientific community
                                                                         c community
                  being cared for at the Ol Pejeta Conservancy in   need to be sure before changing the species’
                                                    status. A few seconds of video footage captured
                  Kenya, and unfortunately the last male, Sudan, is   status. A few seconds of video footage captured
                                                    in 2005 is the only evidence collected on a fi
                  probably unable to have offspring due to his very   in 2005 is the only evidence collected on a five-


                                                                                 ve-
                  advanced age.                     year search period over eight states of the USA.
                                                    year search period over eight states of the USA.
                   Sadly, there are many species that face a very   It’s highly unlikely that there is still a surviving
                                                    It’s highly unlikely that there is still a surviving
                  real threat of extinction. The leatherback turtle   population of ivory-billed woodpeckers, and it
                                                    population of ivory-billed woodpeckers, and it
                  has been hit hard by poaching, habitat loss and   may not be long until they are considered extinct.
                                                    may not be long until they are considered extinct.
                   Numbers left in the wild
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                                                                                      Q.
                                                                                      Q.
                                                                                      Q.Why do whales jump?
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                    Northern     Amur       Javan                                     Q.  W   h  y d  o w    h a l e s j um   p ?
                   white rhino  leopards    rhinos    Vaquita     Saola
                       4          70        60         60        750                 Find out at…
                                                                                 animalanswers.co.uk
       092-094_AnimalAnswers.indd   93                                                                                       12/10/2016   15:59
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