Page 142 - World of Animals - Book of Sharks & Ocean Predators
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Sharks & Ocean Predators
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                                                                                 “The main threat to these

                                                                                         majestic bears is the
                                                                                      encroaching of human

                                                                                  civilisation on their home
                                                                                      and, most importantly,

                                                                                                 climate change”




































                                                      Powerful senses of

                                                      an oceanic giant


                                                      Impeccable senses to conquer the most inhospitable environment on Earth
                                                      Deceptively fluffy, the polar bear is the   breathing holes that seals cut into the

                                                      fearsome king of the Arctic and is top   ice. The seals will surface every 5 to 15
                                                      of the polar food chain. Found across   minutes to, and this is when the bear
                                                      the Arctic Circle, there are around 19   strikes. Bears even stalk the seals as they
                                                      populations of polar bears living in four   bask on the ice, creeping closer and
                                                      different ice regions of the Arctic. These   closer before pouncing on their prey.
                                                      bears freely roam the ice around the   As primarily solitary beasts, polar
                                                      fringes of the polar basin, and although   bears differ greatly with their social
                                                      they stay in their home ranges, some can   interactions. Although not territorial,
                                                      wander for miles.                 some will be very wary or aggressive to
                                                        Polar bears depend on the sea and its   other bears when they approach, but
                                                      ice for food. These bears eat a diet rich   others will greet the new bear like an old
                                                      in fat, consisting mainly of seals – their   friend and play for hours. As such, these
                                                      favourite flavour being ringed or bearded   bears show distinct personality traits and

                                                      seal, which are rich in blubber. However,   individual preferences.
                                                      bears will also take opportunistic meals,   The main threat to these majestic
                                                            and feast on Arctic birds, eggs,   bears is the encroaching of human
                                                               sometimes whales, and even   civilisation in their home and, most
                                                                 the odd caribou.       importantly, climate change. This is at
                                                                    These fi erce hunters   its extremes in the poles, with the Arctic
                                                                    use their powerful   sea ice’s minimum summertime coverage
                                                                         sense of smell   reducing by 12 per cent per decade for
                                                                           to locate    the last 30 years.


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