Blue Jay vs Woodhouse's Scrub-Jay

In short

The Blue Jay and Woodhouse's Scrub-Jay can be distinguished primarily by their structure and coloration. Blue Jays have a more prominent crest and are generally more colorful with bright blue and white plumage. Woodhouse's Scrub-Jay lacks a crest and has a more muted blue and gray appearance.

Identification tips

• Crest: Look for the prominent crest on Blue Jays, absent in Woodhouse's Scrub-Jay.
• Coloration: Blue Jays have brighter blue and white plumage with a black necklace, while Woodhouse's Scrub-Jay is more muted blue and gray.
• Habitat: Consider the habitat; Blue Jays are more common in eastern forests, while Woodhouse's Scrub-Jay is found in western scrublands.
• Vocalization: Listen for the complex calls of the Blue Jay versus the simpler, higher-pitched calls of Woodhouse's Scrub-Jay.

Size

Both species are similar in size, but the Blue Jay may appear slightly bulkier due to its crest and more robust build.

Plumage

Blue Jays have a striking blue and white plumage with a distinct black necklace and a prominent crest. Woodhouse's Scrub-Jay has a more subdued blue and gray coloration, lacking the crest and black necklace.

Behaviour

Blue Jays are known for their bold and aggressive behavior, often seen dominating feeders and mimicking other birds. Woodhouse's Scrub-Jay is less aggressive and is noted for its food caching behavior.

Habitat

Blue Jays are typically found in deciduous and mixed forests, often near human habitation. Woodhouse's Scrub-Jay prefers open woodlands, scrublands, and areas with scattered trees, particularly in the western United States.

Voice

Blue Jays are highly vocal with a wide range of calls, including harsh 'jay' sounds and mimicry. Woodhouse's Scrub-Jay has a simpler, two-syllabled call that is higher pitched compared to the harsher calls of the Blue Jay.