Location in Oregon
Blue is Winter range - Red is Summer range
Purple is Year-round range - Yellow is Migration range

Lark Sparrow

Chondestes grammacus - Fairly common in West in dry fields near brush or trees. Told by the rounded white-tipped tail, black breast spot, and chestnut head markings. Immature lacks breast spot but has white tail margin and dull face pattern. Song is melodious notes and trills, interrupted by unmusical buzzes, 4-10/min.