Blue Jay
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Corvidae, Genus: Cyanocitta, Species: C. cristata
Family: Corvidae (Crows, Jays, and Magpies)
- Shape
- Slightly asymmetrical with a rounded tip; the outer vane is narrower than the inner vane. The overall shape is elongated and paddle-like.
- Size
- Approximately 5 to 6 inches (12-15 cm) in length. This is consistent with the standard tail feather size for an adult Blue Jay, which typically ranges from 13 to 17 cm.
- Rarity
- Very Common; Blue Jays are one of the most recognizable and abundant birds in eastern North America.
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Description
This is a quintessential tail feather from a Blue Jay. The bird itself is a medium-sized passerine known for its striking blue crest, back, and wings, contrasted with a white underbelly and a black necklace. They are bold, vocal, and highly intelligent birds with a wingspan of about 13-17 inches.
Colour & Pattern
Brilliant cerulean blue on the upper surface with distinct horizontal black bars (banding). The distal tip is stark white. The blue is structural (Tyndall scattering) rather than pigment-based. The underside appears dull grayish-white.
Barb Structure
Mostly pennaceous and tightly interlocked throughout the vane for flight stability, becoming plumulaceous (downy) only at the very base near the calamus.
Texture & Surface
Smooth, stiff, and somewhat glossy on the blue sections. The white tip feels softer. The leading edge is rigid to resist air pressure during flight and steering.
Key Features
Bold black transverse bars across a blue field, coupled with a distinct white terminal band at the tip. This combination is unique to the Blue Jay.
Habitat
Found in a variety of habitats including deciduous and mixed forests, parks, residential backyards, and woodlots. They are highly adaptable to suburban environments.
Geographic Range
Common throughout eastern and central North America, from southern Canada down to the Gulf Coast and Florida. They are year-round residents in most of their range.
Ecological Role
Blue Jays are significant seed dispersers, particularly for acorns and beech nuts. They are also known for their role as 'forest sentinels,' mimicking hawk calls to warn other birds of predators.
Similar Species
Steller's Jay (lacks the white tips and has darker blue/black plumage), Western Scrub-Jay (lacks the distinct black barring and white tips on tail feathers).
Interesting Facts
Blue Jay feathers are not actually blue. If you crush the feather, the 'blue' turns brown/black because the color is created by light interference through the microscopic structure of the feather cells, not pigment.
Condition Notes
Fair to Good. Visible ruffling and separation of the barbs (zips) suggest it may have been dropped during a natural molt or ruffled by wind/handling. No major parasitic damage is visible.