
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