Williamson's SapsuckerSphyrapicus thyroideus
- ORDER: Piciformes
- FAMILY: Picidae
A handsome woodpecker of the western mountains, the Williamson's Sapsucker, like other sapsuckers, specializes in drilling sap wells in trees.More ID Info
- Chupasavia Oscuro (Spanish)
- Pic de Williamson (French)
- Cool Facts
- In most species of woodpecker the sexes differ in appearance only subtly, usually with the male having red somewhere the female doesn't. Williamson's Sapsucker is unusual in having the male and female looking drastically different. The two sexes look so unalike that they originally were described as different species.