Skip Navigation

Species Search:
FieldGuidesthreatened and/or endangered search resultsthreatened and/or endangered

previous  | next

Williamson's Sapsucker Sphyrapicus thyroideus


enlarge +

Williamson's Sapsucker, male
credit: FWS

© Lang Elliot/ (audio)

All Images


Get Our Newsletters


Advanced Search

Family: Picidae, Woodpeckers view all from this family

Description ADULT MALE Has mainly black plumage overall, but note white stripe behind eye, white mustachial stripe and broad white bar on wing (seen as broad white patch in flight). Note red throat and yellow belly. ADULT FEMALE Has finely barred black and white back, wings, and tail. Head is brown, breast is black, and underparts are otherwise mostly yellowish, but barred on flanks and undertail. JUVENILE Similar to respective sex adult, but duller overall.

Dimensions Length: 9 1/2" (24 cm)

Habitat Summer visitor (mainly Apr- Sep) to dry, open conifer forest (notably ponderosa pine) in mountains. Winters in similar habitat, and pineoak woodland, from southwestern U.S. to Mexico.

Observation Tips Fairly easy to see in suitable habitats, but thinly scattered and seldom particularly common.

Range Rocky Mountains, Southwest, Texas, Western Canada, Northwest, California

Voice Utters a raspy, trilling que-e-e-e-rr. Drums in short bursts.

Discussion Upland woodpecker, males of which are strikingly marked. Feeds on sap and in - sects. In flight, which is undulating, all birds look rather long-winged and show bold white rump. In other respects sexes are extremely dissimilar.