Adult Svalbard reindeer (Rangifer tarandus platyrhynchus) grazing within the town limits of Longyearbyen, Svalbard, Norway

svalbard reindeer grazing longyearbyen arctic wildlife mammals fauna north nature foraging town limits vegetation grasslands northern hemisphere wild adult deer animal behavior terrestrial habitat seasonal cycle biodiversity tundra observation ecological balance conservation remote area unique natural environment food source alpine characteristic herd habit antlers ecosystem climate region species system nutrition