Slow-motion woodpecker. Woodpeckers have various adaptations that allow them to avoid injury despite bashing their faces into trees thousands of times a day. These include thick, spongy skulls that protect their brains and specialized, protective eyelids. https://t.co/IaWlmHXAaa pic.twitter.com/UTo7z4mAwe
— Steve Stewart-Williams (@SteveStuWill) August 3, 2020
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