nuttal woodpecler

navigate by keyword : adult allows back barring black body both colour crown distinguishable feathers feature feet females forehead has have however juvenile length maintain males mass not nuttalls physical position present ranges red region sexes sides spots stiff streaks surface tail them they this top trees typical unbarred ventral vertical which white wings woodpecker woodpeckers zygodactyl

Nuttall`s woodpecker has black wings and tail feathers with white barring. On the ventral surface, colour is white with black spots and barring. It has a black forehead with white streaks on the sides and an unbarred black region at the top of the back. Adult males have a distinguishable red crown which females do not. However, this physical feature is present in the juvenile of both sexes. They have zygodactyl feet and stiff tail feathers which allows them to maintain a vertical position on trees; typical of woodpeckers. The mass of the Nuttall`s woodpecker ranges from 30 to 45 g 1.1 to 1.6 oz, with a body length of 16 to 18 cm 6.3 to 7.1 in