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Blue Jay (Common Jay, North American Blue Jay)
Secondary flight feather or primary flight feather (remex)

Blue Jay (Common Jay, North American Blue Jay)

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

Family: Corvidae (Crows, Jays, and Magpies)

Shape
Symmetrical to slightly asymmetrical vane, rounded tip, elongated contour with distinct black barring and white terminal tip.
Size
Approximately 4 to 5 inches long, typical for a medium-sized flight feather of a Blue Jay.
Rarity
Very Common (abundant and widespread throughout its natural range)
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Description

The Blue Jay is a striking and charismatic passerine known for its vibrant blue crest, noisy calls, and high intelligence. Measuring roughly 9 to 12 inches long with a 15-inch wingspan, it features a white underpart, a black collar necklace, and distinctive white patches on its wings and tail.

Colour & Pattern

Vibrant structural blue grading into stark black transverse bars (bands) near the terminal end, culminating in a crisp white tip. The blue color is produced by light scattering via microscopic air cavities in the barbules, not pigment.

Barb Structure

Tightly interlocked pennaceous structure with well-developed barbicels and hooklets creating a smooth, durable vane; intact and well-maintained.

Texture & Surface

Smooth, firm, and glossy with a rigid vane capable of withstanding aerodynamic forces during flight.

Key Features

Electric blue coloration combined with bold black barring and a distinct white terminal tip, characteristic of Blue Jay wing or tail feathers.

Habitat

Deciduous and mixed forests, particularly featuring oak and beech trees, as well as suburban parks, gardens, and residential areas across its range.

Geographic Range

Resident and migratory across eastern and central North America, extending from southern Canada down to Florida and Texas, with western limits near the Rocky Mountains.

Ecological Role

Plays a vital role in forest regeneration by caching and forgetting acorns, acting as a primary distributor of oak trees across North America.

Similar Species

Steller's Jay (Cyanocitta stelleri) and California Scrub-Jay (Aphelocoma californica), though Blue Jays are easily separated by their lighter blue body and distinct black-and-white wing markings.

Interesting Facts

Blue Jays are known for their complex social systems, excellent mimicry of hawk calls, and a strong preference for acorns, which they help disperse across forests.

Condition Notes

Good condition, showing intact barbs with minimal wear, clean edges, and no major signs of fading or structural damage.

Blue Jay (Common Jay, North American Blue Jay) | Feather Identifier