Williamson's Sapsucker

Sphyrapicus thyroideus Order: PICIFORMES Family: Woodpeckers (Picidae)
Williamson's Sapsucker Head Illustration

Head

  • Bill Shape: Dagger, All-purpose
  • Eye Color: Dark brown to red-brown.
  • Head Pattern: Eyeline, Plain, Striped, Special (unique patterns or features)
  • Crown Color: Black
  • Forehead Color: Black with thin white stripe at base of bill.
  • Nape Color: Black with thin white strip across back of neck.
  • Throat Color: Red
  • Cere color: No Data
Splitbar

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Williamson's Sapsucker Body Illustration

Body

  • Length Range: 23 cm (9 in)
  • Weight: 48 g (1.7 oz)
  • Size: Size 3. Medium (9 - 16 in)
  • Color: Red, White, Black, Yellow
  • Underparts: Black breast and yellow belly.
  • Upperparts: Black
  • Back Pattern: Solid
  • Belly Pattern: Solid
  • Breast Pattern: Solid
Williamson's Sapsucker Flight Illustration

Flight

  • Flight Pattern: Alternates several rapid shallow wing beats with short glides.
  • Wingspan Range: 43 cm (17 in)
  • Wing Shape: Pointed-Wings
  • Tail Shape: Pointed Tail
  • Tail Pattern: Solid
  • Upper Tail: Black
  • Under Tail: Black
  • Leg Color: Gray
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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