Neil deGrasse Tyson Instagram – Santa doesn’t know Zoology: ⠀⠀⠀⠀⠀⠀⠀⠀⠀ Both male & female Reindeer grow antlers. But all male Reindeer lose their antlers in the late fall, well-before Christmas. So Santa’s Reindeer, which all sport antlers, are therefore all female, which means Rudolf has been misgendered.