
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, tapering toward a rounded tip.
- Size
- Approximately 5 to 7 inches in length, typical for a rectrix of this species.
- Rarity
- Very Common; one of the most frequently seen and heard birds in its range.
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Description
This feather belongs to the Blue Jay, a large, bold songbird known for its striking blue plumage, perky crest, and loud calls. The bird is mid-sized with a wingspan of about 13-17 inches. The blue color is structural, not pigment-based, meaning it is caused by light scattering within the feather cells.
Colour & Pattern
Bright cerulean to cobalt blue base with distinct, thick black horizontal bars. The underside is a duller, matte greyish-blue. The rachis is dark, nearly black.
Barb Structure
Pennaceous throughout most of the vane, though currently showing significant separation and fraying; lacks an aftershaft.
Texture & Surface
Glossy and smooth where intact, highlighting structural coloration. The surface typically has a waxy sheen to repel water.
Key Features
Bold black horizontal barring on a bright blue background; stiff, dark rachis; length typical of a medium passerine tail feather.
Habitat
Deciduous and mixed forests, edge habitats, parks, and suburban gardens.
Geographic Range
Common year-round resident across eastern and central North America, from southern Canada to Florida and eastern Texas.
Ecological Role
Omnivorous predator and seed disperser; famous for caching acorns, which helps in the spread of oak forests.
Similar Species
Steller's Jay (found in Western NA, usually darker blue/black), Bluebird species (much smaller feathers with no black barring).
Interesting Facts
Blue Jays are highly intelligent corvids that can mimic the calls of hawks to scare other birds away from feeders or to test if a predator is nearby.
Condition Notes
Poor condition; the feather is heavily weathered, showing significant 'unzipping' of the barbs and fraying at the edges. It appears to have been on the ground for some time.