any of several fringillid birds of the genus Calcarius of tundra or prairie regions of North America, characterized by a long spurlike hind claw on each foot.
更多longspur例句
Among the species which thus modify their habits are the red crossbill, the redpoll, the Lapland longspur, and the snowy owl.
The finest singing bird in the country is the Lapland longspur.
The increase of juveniles there caused the longspur to be the most common bird in the field (50 per cent in abundance).
This longspur nest, among polygons of low hummocks, was bordered by mosses and grasses nine inches high.
Although the longspur on the Arctic Slope is the most common bird, it is absent from some areas there.