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Dark-eyed Junco (Slate-colored form)
Contour body feather (flank or upper tail covert)

Dark-eyed Junco (Slate-colored form)

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Passerellidae, Genus: Junco, Species: J. hyemalis

Family: Passerellidae (New World Sparrows)

Shape
Symmetrical vane with a rounded tip and a fluffy basal region
Size
Approximately 1 to 1.5 inches long, typical of a small passerine body contour feather
Rarity
Very Common
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Description

The Dark-eyed Junco is one of the most familiar and abundant winter birds in North America. Often nicknamed 'snowbirds' because they arrive in yards and fields with the onset of colder weather, they are neat, sparrow-sized birds with a distinctive hood-like appearance. The slate-colored form features a uniform dark gray head, neck, and upperparts contrasting with a crisp white belly and white outer tail feathers that flash during flight.

Colour & Pattern

Dark charcoal or slate gray with distinct white tipping and margins along the distal edge, characteristic of the slate-colored morph of the Dark-eyed Junco

Barb Structure

Pennaceous at the upper distal tip with interlocked barbicels, transitioning into a loose, plumulaceous (fluffy) structure at the base

Texture & Surface

Soft and smooth pennaceous tip with a fluffy, downy base, matte finish with no iridescence

Key Features

Dark slate-gray base color combined with clear white tipping on the terminal margin of a small, rounded contour feather

Habitat

Coniferous and mixed forests, woodland edges, brushy areas, mountain slopes, and suburban gardens during migration and winter

Geographic Range

Breeds across the northern coniferous and boreal forests of North America, extending south through mountainous regions; winters widely across most of the United States and Mexico

Ecological Role

Important ground-foraging seed eater that helps control weed populations and serves as prey for various small raptors and shrikes

Similar Species

Other small dark-colored sparrows or towhees, though the specific slate-gray and white-tipped pattern on a small contour feather is highly characteristic of the junco

Interesting Facts

Juncos are part of the New World sparrow family and are known for forming dominance hierarchies in winter flocks, where older and larger males typically secure the best foraging spots

Condition Notes

Good condition with minor wear at the very edge of the white tips, likely a naturally molted body feather