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Eastern Bluebird
Contour (body feather)

Eastern Bluebird

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Turdidae, Genus: Sialia, Species: Sialia sialis

AI-generated identification · may be incorrect

Family: Turdidae (Thrushes and Allies)

Shape
Semi-ovate with a rounded tip; largely symmetrical vane structure typical of body contour feathers.
Size
Approximately 1.5 to 2.5 cm (0.6 to 1 inch) in length; small and delicate, consistent with a passerine body feather.
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Description

This is a small body feather from a thrush characterized by its vibrant rufous-orange tip and downy gray base. The Eastern Bluebird is a medium-sized songbird with a sky-blue back and a warm reddish-orange chest. Males are bright blue, while females are more grayish-blue but still retain the orange breast.

Colour & Pattern

Bicolored; the basal half is a smoky charcoal gray leading into a soft white, while the distal half is a warm rusty-orange (rufous). No iridescence.

Barb Structure

Transition from plumulaceous (downy) at the base for insulation to pennaceous (structured) at the distal tip for protection; barbs are relatively loose.

Rachis & Barb Pattern

Fine, flexible white rachis; barbs are spaced widely at the base and become denser/more cohesive toward the orange tip.

Texture & Surface

Extremely soft and silky; the downy base is fluffy while the orange tip has a slightly firmer, matte finish.

Feather Placement

Likely from the breast, flank, or throat area, where the warm rufous/orange tones meet the grayish-blue or white underparts.

Key Features

Distinctive orange distal tip combined with a gray/white downy base; small size and delicate thrush-like barb density.

Habitat

Open woodlands, farmlands, orchards, and suburban gardens with scattered trees and short grass for foraging.

Geographic Range

Year-round resident across the Eastern United States, Mexico, and Central America; northern populations migrate south from Canada and the northern US.

Ecological Role

Insectivore and frugivore; they help control insect populations and disperse seeds of native berry-producing plants.

Similar Species

Western Bluebird feathers are very similar but often show more saturated blue rather than orange on certain body parts; American Robin feathers are much larger and usually a darker brick-red.

Interesting Facts

Eastern Bluebirds are cavity nesters that rely heavily on human-provided nest boxes. They can spot small insects in tall grass from over 60 feet away.

Cultural Significance

Symbolizes happiness and the coming of spring in American folklore. Historically, bluebirds were featured in various songs and poems as icons of optimism.

Field Identification Tips

Look for these small orange tufts near nest boxes or wooden fence posts in early summer or autumn during the post-breeding molt.

Condition Notes

Good condition; the barbs are mostly intact though the plumulaceous section shows some natural disarray consistent with a molted feather.

Eastern Bluebird | Feather Identifier