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Steller's Jay
Contour / Body Feather (likely a upperwing covert or lower back/rump contour feather)

Steller's Jay

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Corvidae, Genus: Cyanocitta, Species: C. stelleri

AI-generated identification · may be incorrect

Family: Corvidae (Crows, Jays, and Magpies)

Shape
Relatively symmetrical with a rounded, smooth tip and a soft, plumulaceous fluffy base tapering into a clean pennaceous vane.
Size
Approximately 1.5 to 2.5 inches (4 to 6 cm) in length, consistent with small body contour or covert feathers of this species.
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Description

This small contour feather features a beautiful contrast between dark charcoal grey and vivid electric blue, capped with a pale tip. Steller's Jays are iconic crested corvids of the West, recognized by their deep blue plumage, dark charcoal-black head and crest, and intelligent, vocal nature.

Colour & Pattern

Displays a striking gradient: dark charcoal-grey to slate base, transitioning into vibrant structural cobalt blue along the outer edge and tip, ending in a clean grayish-white or pale grey apical tip.

Barb Structure

Proximally loose and downy (plumulaceous) for insulation near the calamus, transitioning into a tightly interlocked pennaceous structure towards the distal tip.

Rachis & Barb Pattern

Thin, dark central shaft (rachis) with dense, fine barbs angling outward; inner vane is dark slate-grey while the outer edge exhibits vibrant blue due to microscopic structural light scattering.

Texture & Surface

Smooth and velvety along the pennaceous blue section, soft and fluffy at the base, with a subtle iridescent or lustrous sheen characteristic of corvid feathers.

Feather Placement

Body contour or upper wing covert region, evident from its small size, plumulaceous base, and structural coloration.

Key Features

Distinctive combination of slate/charcoal base with a bright structural blue outer vane and a pale whitish-grey tip, characteristic of Steller's Jay body plumage.

Habitat

Coniferous and mixed forests, montane evergreen woodlands, forest edges, residential areas, and parks across western mountainous regions.

Geographic Range

Western North America, ranging from coastal Alaska down through western Canada and the US (Pacific Northwest and Rockies) into Mexico and Central America; generally resident year-round.

Ecological Role

Omnivorous opportunistic feeder and seed disperser, particularly helping cache and spread pine nuts and acorns within forest ecosystems.

Similar Species

Blue Jay (Cyanocitta cristata) feathers feature prominent black barring; Western Scrub-Jay (Aphelocoma californica) feathers lack the dark charcoal-to-blue gradient and prominent crest associations.

Interesting Facts

The vibrant blue in Steller's Jay feathers contains no blue pigment; the color is entirely structural, produced by the scattering of light (Tyndall scattering) within tiny air pockets in the barb cells.

Cultural Significance

Jays hold a prominent place in Pacific Northwest Indigenous folklore as tricksters and messengers. Feathers are sometimes used in traditional crafts or fly-tying.

Field Identification Tips

Look for molted feathers during late summer (July-September) along coniferous forest floors, near bird feeders, or beneath favorite pine/fir perches in western regions.

Condition Notes

Good overall condition; light wear near the plumulaceous base, pennaceous vane remains fully intact with clean barb alignment.

Steller's Jay | Feather Identifier