Unfortunately, they can't hide from encroaching human development, which combined with intentional killings from over exaggerated fear, have caused a large decline in its Canadian population.
不幸的是,它们无法躲避人们侵占土地式的发展,由于对其过度夸大的的恐惧,人们有意对它们捕杀,这些都造成了其加拿大种群数量的大幅度下降。