Woodpecker drilling behavior.
Woodpecker drilling behavior.
复制标题
啄木鸟的钻探行为。
作者：
R. Snyder
Nonproprietary Name and Trademarks of Drug Corticotropin— Actest, Acthar, Actrope, Corticotrophin, Depo-ACTH, Duraction. To the Editor.— The article by May et al in theArchives(36:370-373, 1979) presents an intriguing comparison between woodpecker drilling behavior and protection against brain injury in head trauma. The article suggests that dynamic features are present in woodpecker head-pounding that provide protection from concussion. In an earlier article, May et al presented evidence that the morphological feature of firm packing of the woodpecker brain may also provide a protective effect. 1 A recent personal experience may have some relevance to these findings. A yellow-bellied sapsucker woodpecker inadvertently flew into a closed window of my house, was rendered unconscious by the accident, had repetitive generalized and multifocal seizures, and died several hours later. Although no autopsy was performed, the symptoms suggested cerebral disease rather than fracture of the cervical spine, and a rotational component to the
