Arctic Ground Squirrel (Spermophilus parryii) emits a whistle to warn, Denali National Park, Alaska, USA

alaska america arctic denali ground national north park spermophilus squirrel usa alert animal animals attention attentive chirp close close up close ups closeup closeups cry crying danger dangerous dangers detail details emits face fauna head headshot life mammal nature parryii portrait portraits portraiture portrayal profile rodent rodents scream screaming shot side side face squirrel squirrels teeth tooth ups view warn watchful whistle whistles wild