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reindeer (plural reindeers or reindeer)
- An arctic and subarctic-dwelling deer of the species Rangifer tarandus, with a number of subspecies.
2013 March 1, Nancy Langston, “Mining the Boreal North”, in American Scientist, volume 101, number 2, page 98:
- Reindeer are well suited to the taiga’s frigid winters. They can maintain a thermogradient between body core and the environment of up to 100 degrees, in part because of insulation provided by their fur, and in part because of counter-current vascular heat exchange systems in their legs and nasal passages.