Have you ever noticed that after shaking your head like a rockstar, you would face a severe headache after some time? Ever wonder why it never happens to a bird that keeps on pecking its beak in the wood all the time. The largest woodpecker in America hit the trees at the speed of 15 mph, 20 times a second. Such speed is enough to mash a human mind. Then what is so unusual about a woodpecker which never gets injured with such a swift activity?
Via – animal.net
Biological reason behind woodpeckers never gets a headache
Such idiosyncratic species of bird packs with soft and spongy bones that provide a cushion for the brain to relax during the blow, thick muscles, and the third eye to keep it aware. All these become the reason behind such powerful protection. Their body is designed in a unique way that could bear such strikes with ease. A millisecond before the strike, the bird closes its inner eyelid and the neck muscles contract. It radiates the muscles to protect the skull from any hard blow. These protective eyelids prevent any force that could cause retina sprint which can be caused due to heavy acceleration.
Via – 3.bp.blogspot.com
Why is it different from a Human Being?
Why can these blow term as unendurable for the human being? If we compare these strikes, it could be found similar to that of any severe accident which can shatter a human mind. A human brain contains cerebral spinal fluid due to which mortal mind quake with such blow. This fluid cannot be found in birds as their mind remain rigid which pecking its beak with a considerable amount of force. This rigidity and spongy bones prevent severe injuries as well as headaches.
God has created wonders in nature like that of a woodpecker who perform such distinctive activity without any harm. So, quite fascinating to know about such actuality about the woodpecker.