Page 53 - World of Animals - Issue #41
P. 53

Arctic wolf



                                                    Arctic Circle















                                                        Northern Canada








                      Habitat

                 In the land of wolves


                 Living away from humans has its advantages, but Arctic wolves aren’t entirely safe from danger
                                                                      United States of America
                 Wolves have had their range narrowed   as Least Concern on the IUCN’s Red List of   wolves were spotted roaming the area in 1978,
                 significantly due to human interference.   threatened species.               and they have been gradually repopulating the
                 Grey wolves have lost a third of their original   While Arctic wolf populations are healthy   area ever since.
                 territory – they are now extinct in many places   on the whole, the canines have had a rough   It is thought that human vehicles may
                 where they used to thrive, including parts of   history in certain parts of their range. A   have helped the animals to reclaim their lost
                 Western Europe, Mexico and the US.    population in east Greenland was totally   territory, with wolves from north Greenland
                                                                    Mexico
                  Luckily, the Arctic wolf faces less persecution   decimated by hunters in the 1930s, who   following tracks left by military sleds and
                 than other members of the lupus species.   poisoned the area’s entire population to   forming new packs in the homes of their
                                                                     Mexico City
                 This is partly due to the remoteness of their   prevent the wolves from interfering with their   eastern ancestors.
                 populations – dwelling in largely uninhabited   fox hunting expeditions.      Climate change is now among the Arctic
                 areas such as Northern Canada, Alaska,   While it is difficult for Arctic wolves to   wolf’s most pertinent threats. Although they
                 Greenland and Iceland means the white wolves   make a comeback due to their small litter   are adaptable predators, prey species like musk
                 rarely come into contact with humans, and   sizes and infrequent breeding, the animals   oxen and Arctic hares find it difficult to cope
                 therefore pose less of a risk to settlers or   have managed to make a recovery in east   with extreme weather variations, and this has
                 domestic animals. They are currently classed   Greenland. After a 40-year absence, a few   reduced the wolves’ food supply.
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                  Family ties


                  Classifying the Arctic wolf as its own subspecies has proved
                  problematic for some scientists
                  It is clear that there are many physical   in 2012 that suggested the Arctic
                  differences between the common   wolf’s genetic differences with the
                  grey wolf and Arctic wolves. Yet   grey wolf were not clear enough for a
                  the question of whether the Arctic   subspecies to be recognised.
                  wolf should be officially considered   This was considered controversial,
                  a subspecies of the grey wolf has   and when a review commissioned by
                  become a hotly debated topic among   the United States Fish and Wildlife
                  taxonomy experts.                Service investigated further, it found
                   British zoologist RI Pocock first   that Chambers’ research was not
                  described the Arctic wolf as a separate   thorough enough to be considered
                  subspecies in 1935. After examining   scientifically accurate.
                  the skull of a wolf that was discovered   As such, it is still acceptable
                  on Melville Island in Canada, he   to describe the Arctic wolf as a                                             © freevectormaps.com; Thinkstock; Frank Lane Picture Agency; Getty
                  concluded that it was different enough   subspecies of the grey wolf. Whether
                  from the mainland-dwelling grey wolf   you agree or not, the canines’ obvious
                  to be considered its own subspecies.  white colouration and remarkable cold-
                   A separate group of scientists led   weather adaptations should be enough   Experts still disagree
                  by CM Chambers later disputed    to differentiate between these two   if the Arctic wolf is a
                  Pocock’s premise, publishing a paper   impressive predators.     separate species


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       048-053 Arctic wolf_WOA041.indd   53                                                                                  01/12/2016   11:14
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