Cassin's Sparrow is a
rather non-descript nomadic species of the southern Great Plains. They can
be extremely common in some years and largely absent the next, with numbers
often being much higher after good rains have resulted in relatively lush
grasslands. Their nomadic behavior also includes occasional wanderings far
beyond their normal range, as they have been found in states from coast to
in brushy grasslands, both those composed primarily of thick brush with an
understory of grass, and those composed primarily of grassland with a few
Diet: The summer
diet is primarily insects, while the seeds and grain make up a large portion of
the winter diet.
Forages almost entirely on the ground, usually in open or semi-open
Breeding: Non-breeder in South Dakota.
Migration: Summers in the
southern Great Plains. Winters in extreme southern Texas and New Mexico,
Feeders: Will attend feeders for corn and other
Conservation Status: Numbers are generally stable.
Cornell University's "All About Birds - Cassin's Sparrow"
Photo Information: Photo courtesy of James Wall.