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American Redstart
Tail feather (Rectrix), likely an outer tail feather (R5 or R6)

American Redstart

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Parulidae, Genus: Setophaga, Species: Setophaga ruticilla

Family: Parulidae (New World Warblers)

Shape
Asymmetrical vane with a slightly tapered, rounded tip; narrow leading vane compared to the trailing vane
Size
Estimated 2.0-2.5 inches (5-6 cm) in length, consistent with the tail proportions of a small wood-warbler
Rarity
Common; one of the most widespread and abundant wood-warblers in its range during the breeding season
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Description

A small, active warbler known for its 'butterfly-like' flight. Adult males are black with bright orange patches, while females and immatures are olive-gray with yellow or pale patches as seen here

Colour & Pattern

Distinctive 'flash pattern' consisting of a deep charcoal-black distal half and a bright basal patch. The white/pale basal color indicates a female or immature male (adult males have orange patches)

Barb Structure

Pennaceous structure throughout most of the vane for flight stability, becoming plumulaceous (downy) at the umbilical base

Texture & Surface

Smooth and slightly glossy on the upper surface; the vane is flexible yet firm enough to provide lift and steering during erratic flight

Key Features

Bold bicolor pattern (black tip, pale base), asymmetrical rectrix shape, and its small passerine size

Habitat

Found in open deciduous and mixed woodlands, second-growth forests, and riparian thickets across North America

Geographic Range

Breeds across much of North America including Canada and the eastern/northern US; migrates to Central America, the Caribbean, and northern South America

Ecological Role

Insectivorous predator that helps control forest insect populations; serves as a vital link in the migratory food web between continents

Similar Species

Magnolia Warbler (similar tail spots but typically more squared), Canada Warbler (different tail pattern), or juvenile Hooded Warbler

Interesting Facts

American Redstarts are known for 'flash-and-pivot' foraging, spread-tailing to startle insects into flight and then catching them mid-air

Condition Notes

Good condition; the tip shows minor wear and the calamus is intact, suggesting a natural molt rather than predation