Williamson's Sapsucker

Sphyrapicus thyroideus Order: PICIFORMES Family: Woodpeckers (Picidae)
Williamson's Sapsucker Portrait
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General

Williamson's Sapsucker: Medium-sized woodpecker with black back and white rump. Throat is bright red, breast is black, belly is yellow, and flanks are barred black-and-white. Black head has white facial stripes. Wings are black with large white patches. Female is pale brown and black-barred overall with brown head, darker brown cap and throat, black breast and yellow belly.

Range and Habitat

Williamson's Sapsucker: Breeds from southern British Columbia south to southern California, central Arizona, and central New Mexico. Spends winters in the southern part of breeding range and in the southwest. Ponderosa pine forests, open coniferous forests, and subalpine forests in the southwest are preferred habitats.

Listen to Call

Voice Text

"churrr"

Interesting Facts

 The Williamson's Sapsucker was first described in 1852 by John Cassin, an American ornithologist.

 Originally, the female was considered to be a different species and named the Black-breasted Woodpecker by Cassin.

 The species took its common name from Lieutenant Robert Stockton Williamson, who was the leader of a surveying expedition which collected the first male.

 A group of sapsuckers are collectively known as a "slurp" of sapsuckers.



Author

Gary Owen Dick

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Range Map for Williamson's Sapsucker

Related Birds

Acorn Woodpecker
Lewis's Woodpecker
Red-naped Sapsucker
Red-breasted Sapsucker
Yellow-bellied Sapsucker
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Family Woodpecker (Picidae)_blue
Species Sphyrapicus thyroideus
Length9 Inches
Wingspan17 Inches

Williamson's Sapsucker

Williamson's Sapsucker: Medium-sized woodpecker with black back and white rump. Bright red throat, breast is black, belly is yellow, and flanks are barred black-and-white. Black head has two white facial stripes. Black wings have large white shoulder patches. Tail is black, legs and feet are gray.

● Song: "churrr"

● Foraging & Feeding: Williamson's Sapsucker: Feeds on sap, bark cambium, ants, wood-boring larvae, and moths of spruce budworms; drills holes in trees, returning to feed on seeping sap.

● Breeding & nesting: Williamson's Sapsucker: Three to seven white eggs are laid in a cavity in a pine or fir tree; although nesting trees are reused, a new hole is chiseled each time. Incubation ranges from 12 to 14 days and is carried out by both parents.

● Similar species: Williamson's Sapsucker: Three-toed, Hairy and Downy woodpeckers lack bold, white wing patch, red chin, and yellow wash on belly.

Flight Pattern

Alternates several rapid shallow wing beats with short glides.
Williamson's Sapsucker Body Illustration
● Range & Habitat: Williamson's Sapsucker: Breeds from southern British Columbia south to southern California, central Arizona, and central New Mexico. Spends winters in the southern part of breeding range and in the southwest. Ponderosa pine forests, open coniferous forests, and subalpine forests in the southwest are preferred habitats.
BreedingMonogamous, Loose colonies
PopulationFairly common to uncommon
MigrationMigratory
Weight1.7 Ounces