Canada geese typically fly in a 'V' formation when they're migrating south or north. But not the fun-loving flock on the WTF Birds Humor Card. These bird-brained practical jokers are winging it up against the big, white cloud sky in the 'WTF' formation. Flighty, blue (sky) humor, to be sure. Watch the recipient quack this clever, colorful card open and honk with laughter. Goose it on over to them!