01 n. Any one of several species of fringilline birds of the genus Calcarius (or Plectrophanes), and allied genera. The Lapland longspur (Calcar…
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Any one of several species of fringilline birds of the genus Calcarius (or Plectrophanes), and allied genera. The Lapland longspur (Calcarius Lapponicus), the chestnut-colored longspur (Calcarius ornatus), and other species, inhabit the United States.(Zool.)