Page 27 - World of Animals - Issue #29
P. 27

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                                          Scarab beetles are vital                                Species in peril
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                                          for a healthy forest
                                          for a healthy forest
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                                          Dung beetles play a primary     forest habitat to plantations
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                                          role in nutrient cycling on     or agricultural pastures in
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                                          the forest floor. By breaking   Southeast Asia. Dung beetles
                                          down the faeces of other   are very specialised – different
                                          animals, they also contribute   beetles have evolved to live on
                                          to seed dispersal and help to   the faeces of specific species. If   Eastern long-beaked echidna

                                          aerate soil. It is thought that a   dung beetles were to go extinct,   These creatures are from the same group of ancient
                                          number of species are suffering   we would soon notice the dung   egg-laying mammals as the platypus. They have

                                          because of land-use change,   piling up, and the number of   suffered from habitat loss as a result of logging, mining
                                                                                                  and farming activity, and are now critically endangered.
                                          such as the conversion of   flies increasing significantly.


                From Batman
                F  r o  m B     a  t m   an
                                sh, can
                to batfi

                to batfish, can
                this hero save                                                                    Purple pig-nosed frog
                our coral reefs?                                                                  These frogs certainly do not look like princes. They
                                                                                                  inhabit a small area in the mountains of southeast India.
                                                                                                  With such a small range, the population could easily be
                                                                                                  wiped out by disease or catastrophic events.
                           a
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                It’s thought that batfish can come to the
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                r rescue of coral reefs. Scientists simulated
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                t t the effects of overfishing on the Great
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                Barrier Reef, by erecting structures to keep
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                out larger fish. Once the area had been
                o o u t l a r r g e r fi       s s h . O n c e t h e a r r e a h a a d b e e n
                               e t
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                c c o n s s u m e d b y s e a w e e d , t h e e y r e c o r r d e d
                 o
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                consumed by seaweed, they recorded
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                the reef’s recovery. Within eight weeks
                                       h
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                the reef’s recovery. Within eight weeks
                    e
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                the batfi
                    a
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                t the batfish had cleared the seaweed and
                       sh had cleared the seaweed and sh had cleared the seaweed and
                      fi

                     t
                algae, restoring the reef to a healthy state.
                algae, restoring the reef to a healthy state.
                a l g a e , r e s t o r i n g t h e r e e f t o a h e a l t h y s t a t e .
                       a
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                Unfortunately, batfish are quite rare and
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                        e
                Unfortunately, batfi  sh are quite rare and sh are quite rare and                  Red uakari monkey
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                                  s
                             n a
                have not yet been assessed by the IUCN
                                              N
                      t y
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                                             C
                h
                have not yet been assessed by the IUCN                                            The unfortunate-looking uakari, with its bright red
                            e
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                 a
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                R
                Red List, so it is unknown how many exist
                Red List, so it is unknown how many exist                                         face and bald head, is an intelligent and social creature.
                  d L
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                in the wild.
                   h
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                i
                in the wild. .                                                                    The monkeys are on the brink of extinction as they are
                                                                                                  hunted extensively for food in the Amazon rainforest.
                                                    One of the world’s
                                                         most successful
                                                     animals remains a                            European eel
                                                              mystery to us                       Eels begin their life at sea, making their way to
                                                                                                  freshwater as larvae and only returning to the salty
                                                                                                  waters once they are ready to reproduce. This means
                                                                                                  that most of the eels caught from the sea are juveniles,
                                                                                                  reducing the number of adults that go on to reproduce.
                                                              Ants play a vital role in the ecosystems
                                                                  in which they live. By continuously
                                                                digging, creating tunnels and moving
                                                                through the soil, they are turning and
                                                                aerating the soil and allowing oxygen
                                                               to get to the roots of plants. There are                           © Alamy; FLPA; Getty; Nature PL; Rex Features; Thinkstock; Eric Engbretson; Karthickbala
                                                                 more than 12,000 known species of
                                                               ant on Earth, and there are likely to be
                                                                 many endangered species we don’t
                                                                  even know about. The ones we do
                                                                know of are mostly under threat due
                                                                to forest fragmentation, as a result of   North American mussels
                                                              human disturbance and encroachment   Freshwater mussels are increasingly harvested for their
                                                                                                  pearls, which has put many North American species
                                                                             on woodland areas.   in grave danger. Mussels have important roles in their

                                                                                                  ecosystems, such as filtering and cleaning freshwater.
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