Average woodpecker hits tree at 15 mph, 20x per second, 12,000 time a day
https://www.birdwatchingdaily.com/blog/2013/12/10/woodpeckers-hammer-without-headaches/
https://www.forbes.com/sites/nicolefisher/2016/01/06/bird-brains-why-dont-woodpeckers-get-concussions/#7451f5c64256
That’s like trying to find the fruit fly sized love of your life floating around in a football stadium.
I KNOW! I KNOW! I just can’t stop with these dang spiders. But they’re so cool!
https://www.youtube.com/watch?v=CPUMAdLJrho
Science Alert Sloths Poop a Week
Scientific American Headless Cockroach Mystery Solved
Read the article. It’s good. But, basically, here’s the scoop:
Cockroaches have a more open circulation system blood pressure is low. If the head is chopped off there is time for clotting. They get their oxygen through spiracles that deliver oxygen directly to the tissue. Because they are cold blooded, cockroaches don’t need as much food to keep themselves warm, so they don’t need to eat frequently either. Hence, the surviving for weeks with no head. Fun facts!