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Blue Jay
Tail feather (Rectrix)

Blue Jay

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

Family: Corvidae (Crows, Jays, and Magpies)

Shape
Elongated and slightly asymmetrical, characteristic of an outer or intermediate rectrix, with a rounded tip.
Size
Approximately 5 to 7 inches in length; typical for a Blue Jay tail feather which ranges from 12-17 cm.
Rarity
Very Common; a widespread and abundant backyard bird.
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Description

This feather features the iconic celestial blue of the Blue Jay, broken by crisp black bars. The Blue Jay itself is a large, crested songbird (10-12 inches) with a white underside and a black 'necklace'. They are known for their intelligence and loud, varied vocalizations.

Colour & Pattern

Bright blue base with distinct, bold black horizontal bars (banding). The blue is structural (iridescence/light scattering) rather than pigment-based. The underside is typically a duller grey-black.

Barb Structure

Pennaceous; tightly interlocked barbs creating a cohesive vane suitable for flight steering and display.

Texture & Surface

Smooth and glossy on the dorsal side due to structural coloration; the vane is stiff and resilient.

Key Features

Bold black horizontal banding on a vivid blue background; structural coloration that shifts when tilted.

Habitat

Found in deciduous, coniferous, and mixed forests, as well as residential areas, parks, and urban gardens.

Geographic Range

Resident throughout Eastern and Central North America, from southern Canada down to Florida and eastern Texas.

Ecological Role

Omnivorous; they act as important seed dispersers (especially acorns) and sometimes act as nest predators or alarms for the forest community.

Similar Species

Steller's Jay (feathers are darker navy/charcoal and found in Western N.A.); Belted Kingfisher (different banding density and blue shade).

Interesting Facts

Blue Jays don't actually have blue pigment. Their feathers are brown, but look blue because of tiny air pockets in the barbs that scatter light—a phenomenon called Tyndall scattering.

Condition Notes

The feather appears to be in fair to good condition, though the tip is slightly worn and the barbs are partially separated (zipped) near the calamus.