
Blue Jay (alternate: Northern 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, broad with a rounded tip; Typical of short, broad-winged passerines.
- Size
- Estimated 2.5 to 3.5 inches (6-9 cm). Consistent with Blue Jay secondaries which typically range from 5 to 10 cm depending on position.
- Rarity
- Very Common; widespread and abundant within its natural range.
Found a feather like this?
Identify any feather from a photo, free.
Description
This feather belongs to the Blue Jay, a medium-sized songbird known for its bold personality and striking blue, white, and black plumage. The bird features a prominent crest and a black 'necklace'. Its flight is steady and graceful, often accompanied by loud, raucous calls.
Colour & Pattern
Vibrant cerulean light blue base with distinct, bold black horizontal bars (banding). The inner vane is a smoky gray/brown, while the outer visible vane displays the structural blue color. The tip is dark black/blue.
Barb Structure
Pennaceous; tightly interlocked barbs across the main vane with a small plumulaceous (downy) section at the base (aftershaft area).
Texture & Surface
Smooth and glossy on the blue side, matte and silky on the gray underside. The blue color is structural (tyndall scattering) rather than pigment-based.
Key Features
Electric blue coloration with regular black barring and a smoky gray inner vane. The lack of white at the tip suggests a secondary rather than a tail feather.
Habitat
Deciduous and mixed forests, woodlots, residential gardens, parks, and suburban areas with mature trees.
Geographic Range
Common year-round resident across Eastern and Central North America, from Southern Canada to the Gulf of Mexico, extending west to the Rockies.
Ecological Role
Omnivorous; serves as a significant seed disperser (especially for acorns) and an opportunistic predator of insects and small vertebrates.
Similar Species
Steller's Jay (darker blue, no gray inner vane), Bluebird (no black barring), or Scrub-Jay (duller blue, no barring).
Interesting Facts
Blue Jays are highly intelligent and can mimic the calls of hawks (especially Red-shouldered Hawks) to warn others or clear competitors from bird feeders.
Condition Notes
Excellent condition; the barbs are fully intact with no visible fault bars or parasite damage, suggesting a healthy molted specimen.