winter buffalos grazing during the morning rise up in a park forest while a drone flys over them to survey the property and recount the number of offspring thriving and improving their extinction odds

elk island alberta canada provincial park caution vacation pasture herd wildlife national eat cold mammal grass plains falling graze flurries tour travel bison wild buffalo storm may nature winter tourism survival large sagebrush brown warm group west america spring white weather flakes horn tetons north dangerous range bull animal field mammals snow unique fur