Assertion: woodpecker | /r/CapableOf | drum tree
Facets:
Source sentences:
text: When a woodpecker drumming a tree at a speed of up to 22 times per second, his head experiences overloads reaching 1000 g (a person would have been in a “knockout” already at 80-100 g).
text: While woodpeckers do drum on trees, the problems for many people living nearby begin when this drumming is performed away from the trees and around the immediate home environment!
text: These woodpeckers are often heard before they are seen, either drumming into trees with their long, chisel-like bills, or calling with their loud, high-pitched whinny.