from The Century Dictionary and Cyclopedia
- Having chestnut color on the wings.
Sorry, no etymologies found.
Probably they are -- at least to a greater or less degree -- except one, the bay-winged cowbird of South America, which
Instead of inflicting its eggs on its more distant avian relatives, it watches its chance and slyly drops them into the domicile of its bay-winged cousins, and actually makes them hatch and rear its offspring!
Argentine country -- the screaming cowbird (_Molothrus rufoaxillaris_) and the bay-winged cowbird (_Molothrus badius_).
The bird who is called indiscriminately the grass finch, the bay-winged bunting, the bay-winged sparrow, the vesper sparrow, and I know not what else (the ornithologists have nicknamed him _Pooecetes gramineus_), is
I saw no bay-winged buntings until the 22d, although it is likely enough they had been here for some days before that.
Indeed, the same may be said of bird-songs generally, -- those of the song sparrow, the bay-winged bunting, and the wood thrush being familiar examples.