긴발톱멧새과 Calcariidae

참새목의 6종.

흰멧새흰멧새Plectrophenax nivalis긴발톱멧새긴발톱멧새Calcarius lapponicusChestnut-collared LongspurChestnut-collared LongspurCalcarius ornatusThick-billed LongspurThick-billed LongspurRhynchophanes mccowniiSmith's LongspurSmith's LongspurCalcarius pictusMcKay's BuntingMcKay's BuntingPlectrophenax hyperboreus