
Steller's Jay
Kingdom: Animalia; Phylum: Chordata; Class: Aves; Order: Passeriformes; Family: Corvidae; Genus: Cyanocitta; Species: Cyanocitta stelleri
Family: Corvidae (Crows, Jays, and Magpies)
- Shape
- Slightly asymmetrical, elongated with a rounded tip; the outer vane is narrower than the inner vane, typical of tail feathers.
- Size
- Approximately 5-6 inches (13-15 cm) in length, consistent with the tail dimensions of a medium-sized corvid.
- Rarity
- Common within its specific range and habitat, though highly localized to western evergreen biomes.
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Description
A vibrant, crested jay of the western wild. The bird features a charcoal-black head and crest that fades into a deep blue body. This feather showcases the intricate barring found on the wings and tail.
Colour & Pattern
Muted blue-gray to deep cerulean base with distinct dark horizontal bars (barring) across the vane, typical of the genus Cyanocitta.
Barb Structure
Mostly pennaceous and tightly interlocked with hooklets for flight stability; small plumulaceous section near the calamus for insulation.
Texture & Surface
Smooth and somewhat stiff to the touch; the surface has a slight satiny sheen due to structural coloration rather than pigmentation.
Key Features
Distinctive dark horizontal barring on a blue-gray background and an asymmetrical shape characteristic of parids and corvids.
Habitat
Coniferous and mixed evergreen forests, particularly in mountainous or coastal regions; also found in suburban parks with mature trees.
Geographic Range
Western North America, ranging from Alaska and British Columbia south through the Rocky Mountains and Pacific Coast into Central America.
Ecological Role
Omnivorous feeder and important seed disperser for various pine and oak species; acts as a 'sentinel' bird by alerting others to predators.
Similar Species
Blue Jay (Cyanocitta cristata) feathers are brighter blue with white tips; Western Scrub-Jay feathers lack the dark horizontal barring.
Interesting Facts
Steller's Jays are excellent mimics and can imitate the calls of Red-tailed Hawks to scare other birds away from food sources.
Condition Notes
Good condition; minor edge wear and a small notch (separation of barbs) on the leading edge. No visible fault bars or parasite damage.