According to a study by researchers Lichen continues to decline across the Arctic and caribou populations could struggle to survive the winter.
About Caribou:
It is a species of cervidae or deer family.
Scientific Name: Rangifer tarandus
Habitat: It survives in Arctic, subarctic, tundra, boreal, and mountainous regions.
Distribution: It is found in Greenland, Scandinavia, Russia, Alaska, and Canada.
Features
Physical adoption: They have nasal turbinate bones which serve to increase the surface area in their nostrils. Cold air can thus be warmed up by their body heat prior to entering their lungs.
Both male and femalecaribou grow antlers, which they shed and regrow every year.
Diet: Caribou (called reindeer in Eurasia) are one of the few animals that can eat and digest lichen
Caribou dig through snow in a behavior known as 'cratering'
Migration: They travel distances that are greater than those traveled by any other terrestrial mammal.
They have the ability to see ultraviolet light – helps them to recognize predators in time and find food.
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