the birds, but not Hitchcock's

[sergebroom]

A bird in the hand is better than two birds in the bush.

You can kill two birds with one stone.

Which two birds does the stone kill? The two in the bush? Or did the person with one bird in one hand also have have one bird in the other hand? Or maybe there was also a little old lady next to him also with one bird in one hand and, when the stone hit her bird and made it explode in a cloud of feathers and of fleshy bits, the old lady fainted.