Why do birds fly to the moon?

Why?

I mean it's not like there's a lot up there for them, is there? And since the soil is all grey I imagine that the worms there will also be grey and tasteless. Also there can't be many twigs lying about up there for building nests or whatever.

Flying all that way, only to fly back again every year for mating season, cos there's not a lot of girl birds up there either, I don't suppose.

Stupid birds.

No wonder we like to eat 'em.