Williamson's Sapsucker
Sphyrapicus thyroideus (Cassin, 1852)
Picidae — Woodpeckers
Williamson's Sapsucker, Sphyrapicus thyroideus, is a woodpecker of North America and Middle America, breeding from southern British Columbia through western and west-central USA to northern Baja California in Mexico, and wintering in Mexico. It is linked with open conifer forest, especially stands with ponderosa pine, Douglas-fir and grand fir, and also with subalpine fir and western larch. The two sexes look very different: the male has black upperparts with white facial stripes, a red chin and a yellow belly, while the female is mainly black with a pale yellow breast and brownish, streaked head.
- Order
- Piciformes
- Family
- Picidae — Woodpeckers
- Breeding range
- North America, Middle America: s British Colombia through w, wc USA to n Baja California (Mexico)
- Nonbreeding range
- Mexico
