Please
CLICK on Pictures
for specific data and File Numbers
for photos:
Chestnut-collared Longspur, Calcarius cornatus <#231> -- J. J. Audubon |
Lapland Longspur, Calcarius lapponicus
<#671 -- J. J. Audubon |
Lapland Longspur, Calcarius lapponicus <#589> -- J. Farrand, Jr. |
McCowns’s Longspur, Calcarius mccownii
<#588> --
J. Farrand, Jr. |