What are crane flies and why are they swarming?

They're Not Giant, Mutant Mosquitoes: They're Crane Flies

Plague of daddy long-legs to invade Britain's homes - thanks to

Marcus King

What Are Crane Flies? - Texas A&M Today

What's Up With All the Crane Flies?

Insects on the Snow in the Midwest

FOX 8 Staff

KUT Austin - Do you call these mosquito hawks? Crane flies aren't

FOX 8 Staff

Winter Crane Flies - The Washington Post

They're Not Giant, Mutant Mosquitoes: They're Crane Flies

Crane Flies and Other Mosquito Imposters - San Gabriel Valley MVCD

Is that a giant mosquito??!!

Crane flies: Why adults are too busy to eat and why their fragile

Is this a crane fly? There's a few in my bathroom all of a sudden