How do you explain the hummingbird's bizarre tongue?

Last year, high-speed footage of hummingbirds drinking overthrew the centuries-old notion that the birds feed using capillary action. Instead, it turns out the birds trap the nectar by curling their tongue around it. Now, new research in the Proceedings of the Royal Society B has shown that there might have been some… » 10/18/12 10:31am 10/18/12 10:31am