Adult female polar bear (Ursus maritimus) yawning with mouth open on multi-year ice floes in Franz Josef Land, Russia, Eurasia

polar bear yawning russia arctic wildlife nature ursus maritimus ice floes serene beauty animal behavior cold environment eurasia fauna natural habitat marine mammal arctic landscape wilderness ice snow arctic ecosystem large predator arctic wildlife north pole conservation polar regions endangered species animal kingdom nocturnal behavior habitat loss climate change marine biodiversity apex predator snowy terrain animal dreaming tranquil moment ice formations arctic nature polar climate wildlife observation remote wilderness winter habitat animal yawning wildlife protection tundra frozen landscape natural beauty ice age physical activity large mammals ecological balance