Page 84 - BBC Wildlife Volume 36 #02
P. 84

LEFT Sessile oak
                                                                                  leaves and acorns on
                                                                                  moss. Red squirrels
                                                                                  can recognise ripe food
                                                                                  by smell: squirrelling
                                                                                  away food is a waste
                                                                                  of effort if it is not
                                                                                  nutritious. The rodents
                                                                                  will reject acorns and
                                                                                  hazelnuts that have
                                                                                  been hollowed out by
                                                                                  weevils, acknowledging
                                                                                  that they are too light.






























































                                                                                                         LEFT In autumn when food is
                                                                                                         abundant, squirrels have plenty of
                                                                                                         spare time to collect nuts one at a
                                                                                                         time in their mouth. They scrape a
                                                                                                         small hole in soft earth and bury their
                                                                                                         prize, patting the soil down on top
                                                                                                         to hide it from birds. The caching is
                                                                                                         not random: a particular place will be
                                                                                                         chosen that they can find later.


                           84  BBC Wildlife                                                                                February 2018
   79   80   81   82   83   84   85   86   87   88   89