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Vesper Sparrow (Pooecetes gramineus)

Vesper Sparrow (Pooecetes gramineus)

Vesper Sparrow (Pooecetes gramineus)

Vesper Sparrow (Pooecetes gramineus) Vesper Sparrow ( Pooecetes gramineus) Vesper Sparrow (Pooecetes gramineus) Vesper Sparrow (Pooecetes gramineus)

Class: Aves
Family: Emberizinae
Common Name: Vesper Sparrow
Genus: Pooecetes
Species Name: gramineus

About The Vesper Sparrow

A medium-sized (6 inches) bunting, the Vesper Sparrow is most easily identified by its streaked body, reddish-brown shoulders, and dark tail with white edges. Similar in shape to the Song Sparrow (Melospiza melodia), this species may be distinguished from the Song Sparrow by that species’ browner body, dark breast patch, and rounder tail. Male and female Vesper Sparrows are similar to one another in all seasons. The Vesper Sparrow breeds across much of the northern United States and southern Canada. In winter, most populations migrate south to the southern half of the U.S.and northern Mexico. Vesper Sparrows are present all year in a few areas, most notably in California’s Central Valley. Vesper Sparrows inhabit open or sparsely-vegetated habitats, including grasslands, prairies, and scrubland. The clearing of land in the eastern U.S.and Canada for agriculture allowed this species to expand eastward onto farmland during the nineteenth century, although this species is now experiencing declines in these areas as abandoned fields are reclaimed by forest. Vesper Sparrows primarily eat seeds and grains, adding insects and other invertebrates to their diets during the summer when these sources of food are available. In appropriate habitat, Vesper Sparrows may be observed foraging for food on bare ground or on the lower stalks of grasses. Males may also be observed singing this species’ song, a series of whistling notes recalling that of the Song Sparrow but higher-pitched and less buzzing. Vesper Sparrows are primarily active during the day, but, like many migratory songbirds, this species migrates at night.

Rights Holder: Unknown
Bibliographic Citation: Rumelt, Reid B. Pooecetes gramineus. June-July 2012. Brief natural history summary of Pooecetes gramineus. Smithsonian's National Museum of Natural History, Washington, D.C.

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