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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

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.
Rarity
Common; populations have rebounded significantly due to the widespread use of bluebird nesting boxes.
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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.

Texture & Surface

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

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.

Condition Notes

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