Williamson's Sapsucker

Female Williamson's Sapsucker at nest cavity in aspen tree.
Female Williamson's Sapsucker at nest cavity in aspen tree.

NPS Photo / Ann Schonlau

Size: 8.5-10”
Description: The male is mostly black with white barring on the back and wings, two white stripes on the face, white wing patch, red throat, yellow belly and a white rump that can be seen in flight. The female is brownish overall with white barring on the wings, a brown head, black breast and yellow belly.
Migratory Status: Summer residents of Rocky Mountain National Park.
Habitat: Breed in ponderosa pine, aspen and other coniferous forests to 9,000 feet and occasionally 11,000 feet.
Diet: Drill holes in tree bark and eat the sap that oozes from the holes as well as insects that get caught in the sap.
 

Last updated: June 11, 2018

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