Thick-billed Longspur
Rhynchophanes mccownii
Longspurs and Snow Buntings (Calcariidae) · Passeriformes (Passeriformes)
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Often mixed up with
In quizzes, players most often confuse Thick-billed Longspur with these birds— either this species was picked by mistake, or the other way around.
| Species | Mix-ups |
|---|---|
| Chestnut-collared Longspur Calcarius ornatus | 2 |
| Sharp-tailed Sandpiper Calidris acuminata | 1 |
| Evening Grosbeak Hesperiphona vespertina | 1 |
| Smith's Longspur Calcarius pictus | 1 |
| Cassin's Sparrow Peucaea cassinii | 1 |
Family
Calcariidae is a small family of passerine birds. It includes longspurs and snow buntings. There are six species in three genera worldwide, found mainly in North America and Eurasia.
Order
A passerine () is any bird of the order Passeriformes (; from Latin passer 'sparrow' and formis '-shaped'), which includes more than half of all bird species. Sometimes known as perching birds, passerines generally have an anisodactyl arrangement of their toes (three pointing forward and one back), which facilitates perching. With more than 140 families and some 6,500 identified species, Passeriformes is the largest order of birds and one of the most diverse clades of terrestrial vertebrates, representing 60% of …