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Pine Siskin
Flight feather (primary or secondary remige)

Pine Siskin

Kingdom: Animalia, Phylum: Chordata, Class: Aves, Order: Passeriformes, Family: Fringillidae, Genus: Spinus, Species: Spinus pinus

Family: Fringillidae (Finches and Euphonias)

Shape
Symmetrical vane, rounded tip, slightly curved elongated outline
Size
Approximately 1.5 to 2 inches long, consistent with a small passerine flight feather
Rarity
Common, though highly irruptive and fluctuating in local numbers year to year
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Description

The Pine Siskin is a small, streaky brown finch with distinctive yellow flashes in the wings and tail. Known for its acrobatic foraging style and high-pitched, wheezy calls, it travels in active, social flocks.

Colour & Pattern

Dark brownish-gray/black central vane with a distinct, bright yellow tip or edge along the margin, typical of the wing bar markings found in this species

Barb Structure

Pennaceous vane with tightly interlocked barbs and barbules near the tip, transitioning to slightly looser barbs near the base

Texture & Surface

Smooth, firm, and slightly glossy along the pennaceous vane, with a flexible shaft

Key Features

Small size combined with dark gray-brown coloration and a stark, bright yellow margin or tip on the wing feather

Habitat

Coniferous and mixed forests, woodlands, weedy fields, and suburban areas with seed-bearing plants

Geographic Range

Breeds across Canada, the western United States, and the northeastern US; winters erratically across much of the United States and Mexico

Ecological Role

Important seed predator and disperser in coniferous forests, serving as a key food source for small raptors and shrikes

Similar Species

American Goldfinch (Spinus tristis), which has brighter yellow feathers and whiter wing bars, and Lesser Goldfinch (Spinus psaltria)

Interesting Facts

Pine Siskins are famous for their nomadic, irruptive migration behavior driven by conifer seed crop failures, sometimes flooding backyard feeders by the hundreds

Condition Notes

Good condition, clean vane with intact barbs and no obvious fraying or parasite damage

Notes

Olympia, wa