vesper sparrow

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noun

a common finch, Pooecetes gramineus, of fields and pastures in North America, noted for its evening song.

Origin of vesper sparrow

An Americanism dating back to 1860–65
Also called grass finch.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for vesper sparrow

Historical Examples of vesper sparrow