Feather Identifier app iconFeather Identifier
Blue Jay (alternate: Northern Blue Jay)
Secondary flight feather (inner wing) or greater covert

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.
Learn more about Blue Jay (alternate: Northern Blue Jay) in the encyclopedia →

Found a feather like this?

Identify any feather from a photo, free.

Identify a feather

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.