But new research suggests there might be traumatic effects after all
Woodpeckers do this untold thousands of times during their lives, and these birds have thrived on Earth for some 25 million years.
The forces on their brain are huge and have baffled scientists while inspiring crash helmet design.
The little birds have survived for 25 million years by banging their head against a tree hunting for food.
Scientists have revealed that ray-finned fishes are perhaps one of Earth's most resilient groups of animals, having survived four mass extinction events that wiped out many other groups.
Researchers from Boston University have studied the brains of Downy Woodpeckers and found they have elevated levels of a protein that is associated with brain damage in humans.
New research suggests fragments of a 62-mile-wide disintegrating comet struck Earth 12,800 years ago and spurred burning events larger than those caused by the ‘dinosaur killers.’
For a person, slamming your head full force into a tree trunk could be enough to knock you silly.
Up to 16 percent of all species on Earth could qualify as potential alien species and if they invade new regions, impacts will be difficult to predict.
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