Dasher and Dancer, Prancer and Vixen ... Unlike other deer species, both male and female reindeer grow antlers. However, males shed theirs after the mating season, in early December.

Santa’s reindeer — Dasher, Dancer, Prancer, Vixen, Comet, Cupid, Donder, Blitzen and Rudolph — received clearance to fly to Pennsylvania from Dr. Sarah Coburn, Alaska’s state veterinarian.