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Steller's Jay (Long-crested Jay)
Semiplume or Body Contour feather with a distinct semiplume base

Steller's Jay (Long-crested Jay)

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

Family: Corvidae (Crows, Jays, and Magpies)

Shape
Symmetrical vane with a broad, squared-off or slightly frayed tip, characteristic of loose body plumage rather than rigid flight feathers.
Size
Approximately 3 to 4 inches in length, typical for a medium-sized body or flank feather of a Steller's Jay.
Rarity
Common throughout its natural western range.
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Description

The Steller's Jay is a charismatic, intelligent corvid easily recognized by its dark blackish-brown head, prominent crest, and vibrant deep blue body and wings. This particular feather showcases the bird's dual nature—combining protective, brightly colored pennaceous tips for display and weather resistance with a warm, fluffy down-like base for thermal insulation.

Colour & Pattern

Striking dark slate gray to blackish coloration at the base shifting to a rich, deep metallic blue toward the distal tip, with a subtle black subterminal band or dark tip markings characteristic of Steller's Jay contour feathers.

Barb Structure

Features a dual structure: the distal portion is pennaceous with tightly interlocked barbs showing iridescent coloration, while the basal portion transitions into a plumulaceous (fluffy, down-like) structure with loose barbs lacking strong barbicels.

Texture & Surface

The upper tip is smooth with a glossy, metallic sheen, while the lower portion is exceptionally soft, fluffy, and tactilely downy.

Key Features

The distinct color transition from fluffy charcoal-gray barbs at the base to an abrupt, vibrant iridescent blue pennaceous tip with dark markings.

Habitat

Coniferous and mixed mountain forests, primarily in western North America, ranging from lowlands to high elevations near pine, fir, and oak woodlands.

Geographic Range

Western North America, extending from Alaska down through the Rocky Mountains and Pacific coast into Central America (Nicaragua), typically remaining year-round in its range.

Ecological Role

Acts as an important seed disperser, particularly for conifer seeds and acorns, playing a crucial role in forest regeneration.

Similar Species

Blue Jay (Cyanocitta cristata), which features lighter blue feathers with prominent white barring and black necklaces rather than dark slate-grey heads and deep metallic blue bodies.

Interesting Facts

Steller's Jays are exceptional mimics, capable of imitating the calls of various raptors such as Red-tailed Hawks and Cooper's Hawks to scare other birds away from food sources.

Condition Notes

Good condition with intact barbs at the tip and slightly ruffled plumulaceous barbs at the base, showing normal wear without major damage or fading.