Pooecetes gramineus
(Vesper
Sparrow)
Physical
Description:
5-6 1/2" (13-17 cm). Rough, unkempt
appearance due to the dark feathers that protrude from a light breast; also
black and brown feathers that do not lay flat on back and wings. Streaked head
with white eyering. "rufous shoulder patches and white
outer tail feathers."
Similar Species- Pipits, immature Lark Sparrow, Chestnut-collared and McCown's longspurs, Smith's Longspur, Lapland Longspur, female Lark Bunting.
Song:
Song begins with 2-3 throating whistles followed
by trilled notes and a rapid melody.
Distribution:
Breeds across portions of Canada, south to
eastern and southern California, central Nevada, southwestern Utah, Arizona, central New
Mexico, Colorado, Kansas, Minnesota, Tennessee, and North Carolina. Winters in central
California, southwestern U.S., and portions of eastern U.S., south to southern Mexico,
Gulf Coast and central Florida.
Ecology:
Builds cup-shaped nest on ground in excavated
depression. Forages on ground. May bathe in dirt. Female may engage in distraction
displays. Species is one of 7 neotropical migrants thought to be declining in Idaho.
Conservation:
Element Code: | ABPBX95010 |
Status: | Protected nongame species |
Global Rank: | G5 |
State Rank: | S4,NTMB |
National Rank: | N5B,N5N |
Important
State References:
McCoy, M. 1993. Breeding bird survey of
clearcut, prescribed burn, and seral/old growth stands of western juniper. USDI
Bur. Land Manage., Boise District, Challenge Cost Share Project Report, Boise.
19pp.