Calcariidae
Snow Bunting
Plectrophenax nivalis (Linnaeus, 1758)
Plectrophenax nivalis, the snow bunting, is a cold-adapted Arctic passerine that migrates south to northern temperate zones for winter.
Lapland Longspur
Calcarius lapponicus (Linnaeus, 1758)
The Lapland longspur is a migratory ground-feeding bird with a diet that shifts from seeds to arthropods seasonally.
Smith's Longspur
Calcarius pictus (Swainson, 1832)
Calcarius pictus is a bird with distinct plumage traits, breeding in northern North America and wintering in the south-central U.S.
Chestnut-collared Longspur
Calcarius ornatus (J.K.Townsend, 1837)
Calcarius ornatus is a small migratory prairie bird with distinct plumage variation, found across central North America.
Thick-billed Longspur
Rhynchophanes mccownii (Lawrence, 1851)
Thick-billed longspur is a small bird with specific plumage traits and a reduced North American breeding range.
Related Families
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