Woodhouse's Scrub-Jay

Woodhouse's Scrub-Jay occupies the interior West, favoring pinyon-juniper woodlands, scrub, and dry montane habitats from the Great Basin south through the Southwest. Its feathers show the same basic blue-and-gray-brown pattern as its Pacific coast relative, the California Scrub-Jay, but tend to appear slightly duller and grayer with a less sharply defined blue breast band. This species was only recently split from the California Scrub-Jay, and feather identification often relies on knowing the general region where a feather was found.

Size and Shape

Feathers are similar in size and shape to the California Scrub-Jay's: moderate to large, rounded, with no crest feathers present.

Color and Pattern

• Head, wings, and tail feathers: blue, somewhat duller and grayer than California Scrub-Jay
• Back feathers: gray-brown
• Breast band: blue, but less sharply defined against the pale throat
• Underparts: pale gray, sometimes with a slight buffy tone

Distinguishing from Similar Species

Woodhouse's Scrub-Jay feathers are nearly identical to California Scrub-Jay feathers, differing mainly in a slightly duller, less saturated blue and a softer breast band contrast. Range is the most reliable clue: interior pinyon-juniper and sagebrush country points to Woodhouse's, while coastal California oak woodland points to the California Scrub-Jay.

Sexes look alike, with duller blue upperparts, gray-brown back, and pale underparts with a softly defined blue breast band year-round. Juveniles show an even grayer, less blue head before their first complete molt. Adults molt fully after the breeding season in late summer.

Woodhouse's Scrub-Jay is resident throughout the interior western United States, including the Great Basin, Colorado Plateau, and parts of the Southwest, favoring pinyon-juniper woodlands, scrub oak, and sagebrush-adjacent habitats. The species does not migrate and remains within its home range year-round.

This jay feeds on pinyon pine seeds, acorns, insects, and small vertebrates, and is a significant disperser of pinyon pine through its caching behavior, burying many seeds it does not later retrieve. It nests in shrubs or low trees, building a stick nest, and gives harsh, scratchy calls similar to those of the California Scrub-Jay. It is generally less bold around humans than its coastal relative but will visit rural feeders and campgrounds.