holes in wood. woodpeckers destroy trees in berdsk. birds gouge mostly diseased trees, getting food. the surface of a tree

tree trunk wood nature hole hollow bark forest natural wild brown background outdoor closeup texture nest wildlife round squirrel rough beautiful branch habitat environment peeking out hidden looking careful poking cold sticking bird woodland hollowed circle pattern big nobody woodpecker surface biology material wooden house cavity holes wood woodpeckers destroy trees berdsk birds gouge mostly diseased getting food destroyed woodpeckers evidence damage old