Page 32 - ARUBA TODAY
P. 32

A32    FEATURE
                 Monday 22 January 2018
            Motion-activated cameras capture animals being wild, weird



            By MEAD GRUVER                                                                                                      a  population.  “There’s  this
             Associated Press                                                                                                   tension between subjectiv-
            CHEYENNE,  Wyo.  (AP)  —                                                                                            ity  in  where  you  put  your
            How does a bighorn sheep                                                                                            camera and where it’s sta-
            say “cheese?”                                                                                                       tistically sound,” Harris said.
            Some  charismatic  critters                                                                                         Sometimes     smart-alecky
            caught  by  motion-detect-                                                                                          humans turn up among the
            ing  wildlife  cameras  seem                                                                                        images. “I’ve seen people
            to  know  how  to  strike  a                                                                                        moon cameras, and that’s
            pose. But it’s not just show                                                                                        always funny,” he said.
            business.  As  these  devices                                                                                       Remote video can also re-
            get  ever  smaller,  cheaper                                                                                        veal  details  about  animal
            and  more  reliable,  scien-                                                                                        behavior,  including  the
            tists across the U.S. are us-                                                                                       mewling sounds of migrat-
            ing  them  to  document                                                                                             ing mule deer.
            elusive creatures like never                                                                                        And live-streaming camer-
            before.  “There’s  no  doubt                                                                                        as for everything from bison
            — it is an incredible tool to                                                                                       in Saskatchewan, Canada,
            acquire  data  on  wildlife,”                                                                                       to the underwater kelp for-
            said Grant Harris, a U.S. Fish                                                                                      est off California’s Channel
            and Wildlife Service wildlife                                                                                       Islands are always popular.
            biologist  based  in  Albu-                                                                                         As  with  all  human  intru-
            querque, New Mexico.                                                                                                sion  into  nature,  remote
            Remote  cameras  have                                                                                               cameras  have  downsides.
            photographed  everything     This 2011 photo from a U.S. Fish and Wildlife Service motion-activated camera shows an elephant   Animals  such  as  wolver-
            from  small  desert  cats    seal in the Channel Islands National Park off the coast of Southern California.        ines and bears have been
                                                                                                               Associated Press  known  to  attack  them,
                                                                                                   Wyoming associate profes-    though whether out of cu-
                                                                                                   sor and initiative director.  riosity or aggression is hard
                                                                                                   “You  see  one  animal  mi-  to  say.  Also,  the  devices
                                                                                                   grating,  you  don’t  know  if   have   become   popular
                                                                                                   it’s migrating by itself, if it’s   tools to help hunters scout
                                                                                                   migrating  with  a  calf,  or  if   for  game,  sparking  a  de-
                                                                                                   it’s migrating with 40 other   bate  over  fair-chase  eth-
                                                                                                   animals,” Kauffman said.     ics. Then there’s the whole
                                                                                                   Remote cameras — which       subjective thing about go-
                                                                                                   can  be  left  in  the  back-  ing into nature to get away
                                                                                                   country  for  days,  weeks   from it all, including surveil-
                                                                                                   or even months — help fill   lance cameras.
                                                                                                   in  blanks  by  showing  how   Anyway,  to  answer  the
                                                                                                   many  animals  are  on  the   question: A bighorn sheep
                                                                                                   move over a given period,    that  looks  like  it’s  smil-
                                                                                                   he said. Where to position   ing  probably  isn’t  saying
                                                                                                   them requires careful fore-  “cheese” but sniffing pher-
                                                                                                   thought. Clustering several   omones  and  other  scents
                                                                                                   around  a  watering  hole,   in what’s called a flehmen
                                                                                                   for  instance,  might  pro-  response, said Harris.
                                                                                                   duce  many  images  but      In  other  words  ...  bleats
                                                                                                   not  a  thorough  profile  of   us.q

             This  2013  photo  from  a  U.S.  Fish  and  Wildlife  Service  motion-
             activated camera shows a bighorn sheep at the Kofa National
             Wildlife Refuge in Arizona.
                                                     Associated Press
            called ocelots to snow-lov-  at higher latitudes in recent
            ing  lynx  high  in  the  North-  years.  That  could  mean
            ern  Rockies.  Harris  cited  global warming is expand-
            images of javelinas, pig-like  ing  their  range  northward,
            desert  mammals,  and  co-   he  said.  Scientists  deploy-
            atimundi,  members  of  the  ing remote cameras in their
            raccoon  family,  captured  work  include  researchers
                                         with  the  Wyoming  Migra-
                                         tion  Initiative,  who  use
                                         global  positioning  to  map
                                         the movements of elk, mule
                                         deer and antelope in and
                                         around  Yellowstone  Na-
                                         tional Park. They only have
                                         so  many  collars  to  track
                                         animals, meaning there’s a
                                         limit  to  the  GPS  data  they
                                         can  gather,  said  Matthew   In this 2017 photo from a U.S. Fish and Wildlife Service motion-activated camera, a vulture comes
                                                                      in for a landing at the Sevilleta National Wildlife Refuge in New Mexico.
                                         Kauffman,  a  University  of                                                                       Associated Press
   27   28   29   30   31   32