'Calcarius Lapponicus' definitions:

Definition of 'Calcarius Lapponicus'

From: GCIDE

Longspur \Long"spur`\, n. [So called from the length of the hind claw.] (Zool.) 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. [1913 Webster]