wild svalbard reindeer, rangifer tarandus platyrhynchus, two animals searching for food under the snow

animal arctic brown cold day mammal nature nobody north norway outdoors polar snow spitsbergen svalbard travel white wild wildlife winter deer reindeer antlers rangifer tarandus pyramiden subspecies platyrhynchus adaptation climate change environment adapted covered insulated insulation warm standing side snowy short legs full body hungry eating search searching hunger