WOODPECKERS HAVE THICK, SPONGY SKULLS THAT ABSORB IMPACT, A MODIFIED HYOID BONE THAT WRAPS AROUND THE SKULL LIKE A HARNESS, & A THIRD EYELID THAT PROTECTS THEIR EYES.
ALL WHICH IS NEEDED WHEN YOU BANG YOUR HEAD INTO TREES AT 15MPH, 10,000 A DAY. #SHOUTYSCICOMM pic.twitter.com/aKQn9NxaCS— Jason Ward (@JasonWardNY) April 8, 2018
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