Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Chestnut-collared Longspur, Calcarius ornatus, is a small ground-feeding bird from the family Emerizidae which also contains the American sparrows. These birds have a short conical bill, a streaked back and a white tail with a dark tip. In breeding plumage, the male has black underparts, a chestnut nape, a yellow throat and a black crown. Other birds have light brown underparts, a dark crown, brown wings and may have some chestnut on the nape.

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