Blue Jay
Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Corvidae, Genus: Cyanocitta, Species: C. cristata · Corvidae (Crows, Jays, and Magpies) · Tail feather (Rectrix)
Species
Cyanocitta cristata
Feather Type
Tail feather (Rectrix)
Family
Corvidae (Crows, Jays, and Magpies)
Shape
Elongated and largely symmetrical with a rounded to slightly blunted tip. The vane is straight and tapers towards the base.
Size
Approximately 4 to 5 inches (10-13 cm) in length and 0.75 inches wide. This is consistent with the outer or central tail feathers of an adult Blue Jay.
Rarity
Very Common. They are abundant throughout their range and frequently encountered at bird feeders.
Color & Pattern
The primary color is a vibrant structural blue. It features distinct black horizontal barring (melanin bands) and a stark white tip at the distal end. The underside is typically a duller grey-blue.
Barb Structure
Tightly interlocked pennaceous barbs throughout most of the vane, transitioning to a small plumulaceous (downy) section at the very base near the calamus.
Texture & Surface
Smooth, stiff, and slightly glossy on the dorsal side due to structural coloration. The trailing and leading edges are firm, designed to withstand air pressure.
Description
This feather comes from the Blue Jay, a medium-sized songbird known for its bold blue, white, and black plumage and prominent crest. Adult Blue Jays are roughly 9-12 inches long with a 13-17 inch wingspan. They are highly intelligent, social, and often loud.
Key Features
Cognizable by the 'blue-black-white' sequence: vibrant blue base with black transverse bars and a prominent white terminal band at the tip.
Habitat
Deciduous, coniferous, and mixed forests; also very common in residential areas, parks, and suburban gardens with mature trees.
Geographic Range
Resident throughout the Eastern and Central United States and Southern Canada. They are partially migratory, with some northern populations moving south in winter.
Condition Notes
The feather appears to be in good condition, though there is some minor fraying along the edges suggesting it was a naturally molted feather rather than one lost to predation.
Interesting Facts
Blue Jays are known to mimic the calls of hawks, particularly Red-shouldered Hawks, either to warn others or to deceive other birds into leaving a food source. Their blue color is structural, not pigment-based; it is caused by light scattering.
Ecological Role
Blue Jays are vital for forest regeneration because they cache acorns and seeds, many of which are never recovered and eventually sprout into new trees.
Similar Species
Blue Jay feathers are distinct from the Steller's Jay (which lacks the white tips) and the Western Scrub-Jay (which lacks the black barring and white tips).