According to the Alaska Department of Fish and Game, while both male and female reindeer grow antlers in the summer each year, male reindeer drop their antlers at the beginning of winter, usually late November to mid-December. Female reindeer retain their antlers till after they give birth in the spring.
Therefore, according to every historical rendition depicting Santa's reindeer, every single one of them, from Rudolph to Blitzen- had to be a girl.
We should've known. Only women, while pregnant, would be able to drag a fat man in a red velvet suit all around the world in one night and not get lost.
When the store manager returned from lunch, he noticed his clerk's hand was bandaged, but before he could ask about the bandage, the clerk had some very good news for him.
"Guess what, sir?" the clerk said. "I finally sold that terrible, ugly suit we've had so long!"
"Do you mean that repulsive pink-and-blue double-breasted thing?!" the manager asked.
"That's the one!"
"That's great!" the manager cried, "I thought we'd never get rid of that monstrosity! That had to be the ugliest suit we've ever had! But tell me, why is your hand bandaged?"
"Oh," the clerk replied, "after I sold the guy that suit, his seeing-eye dog bit me."