male nuttall`s woodpecker picoides nuttallii foraging after insects on a birch tree, san francisco bay area, california

039 america animal area bay big bill bird birding black branch california checkered claws close copy crown cute detail endemic feather foraging forest francisco free male native nature nuttall nuttallii ornithology park patch perched picoides red san sitting space spotted spring states time tiny tree trunk twigs united usa white wild wildlife woodpecker woods