Woodpecker head-banging wonder
(Copyright) by David Catchpoole (Powder Springs, Georgia) UpdateRecent research* shows that the spongy material in a woodpecker’s skull does not act like a shock absorber. Engineering analysis of high-speed video recordings showed that the skull’s deceleration was not slower than that of the beak penetrating the wood. The woodpeckers’ small skull and the way in which its […]