Henslow's Sparrow

Jun 30, 2015 · Henslow’s Sparrows are tan and buff marked with sharp black streaks. They have a distinctly greenish-olive wash on the cheek, with a yellow spot between eye and bill. In weedy eastern fields in summer, this little sparrow climbs to the top of a weed stalk, throws its head back, and delivers one of the least impressive of all bird songs, a short tsilick. Henslow's sparrow (Centronyx henslowii) is a North American passerine bird in the family Passerellidae. It was named by John James Audubon in honor of John Stevens Henslow. A large-headed and thick-billed sparrow, found exclusively in weedy grasslands with sparse shrubs. Distinctive color combination of olive-green nape, rufous wings, and crisp black streaks below. Also. The Henslow’s Sparrow has the simplest and shortest song of any North American songbird, described as a “buzzed tzelick” to the human ear. They are most active in singing at dawn and dusk and.