Page 40 - World of Animals - Issue #30
P. 40

Nature’s most cunning


        Red foxes use the

        Earth’s magnetic field

        to aid their hunting


        Everyone’s heard the phrase ‘as cunning as a fox’, but do
        these supposedly crafty canines live up to their reputation?
        Certainly, if their remarkable hunting technique is anything
        to go by. Unlike wolves, red foxes tend to be solitary hunters,
        stealthily stalking their prey before leaping high into the air
        and striking the clueless victim from above.
          The fox’s recognisable pouncing technique is called
        mousing, and it’s thought by some scientists to rely on the
        Earth’s magnetic field. Other animals such as birds, bats and
        sharks also use the magnetic field like a sixth sense.
          As if using a built-in compass, the prowling predators tend
        to jump in a northeasterly direction when catching their
        food, and are much more likely to make a kill when they do
        so. It’s believed that the fox can accurately target its prey
        by comparing the angle of sound waves hitting its super-
        sensitive ears with the axis of the Earth’s magnetic field. Once
        these two curvatures match up, the fox is able to pinpoint the
        exact distance it will need to jump in order to make a kill –
        sometimes from as far as five metres (16 feet) away.
         RED FOX
         Vulpes vulpes
         Class Mammalia



         Territory Throughout
         Northern Hemisphere
         Diet Rodents, rabbits, birds,
         reptiles, insects, fruit
         Lifespan 2 to 4 years
         Adult weight 9kg (20lb)
         Conservation status

         LEAST CONCERN

                                                                          “As if using a built-in compass,

                                                                        the predators tend to jump in a
                                                                                     northeasterly direction”







         Alligator snapping turtles fool
         fish with their worm-like tongues


         There’s a good reason why fishermen   camouflaged against the rocky riverbed,
         use worms as bait: fish find them   the turtle’s cylindrical pink tongue could
         irresistible. Alligator snapping turtles   easily be mistaken for a worm. This
         also know this, and have developed a   cunning illusion spells disaster for any
         sneaky technique to take advantage of it.  curious fish that is drawn to it – they
                                      meet an untimely end when the turtle
         The prehistoric-looking reptile tends
       © Thinkstock; Corbis; FLPA; Nature PL  “The cunning illusion spells disaster
                                      clamps down its jaws, which are strong
         to lurk at the bottom of murky waters
         with its jaws wide open. With its mouth
                                      enough to bite a broom handle in half.
         for any curious fish drawn to it”



       40





   034-040_Nature's Most Cunning.indd   40                                                                               03/02/2016   15:50
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