oscine bird vs Old World flycatcher

Other hyponyms of oscine bird include songbird, songster, honey eater, honeysucker, accentor, lark, wagtail, lark, pipit, titlark, finch, honeycreeper, weaver, weaver finch, weaverbird, flycatcher, true flycatcher, thrush, warbler, babbler, cackler, bird of paradise, American oriole, New World oriole, oriole, Old World oriole, oriole, starling, corvine bird, Australian magpie, Mimus polyglotktos, mocker, mockingbird, blue mockingbird, Melanotis caerulescens, catbird, Dumetella carolinensis, gray catbird, grey catbird, mocking thrush, thrasher, New Zealand wren, creeper, tree creeper, nutcracker, nuthatch, tit, titmouse, bluebird, fairy bluebird, swallow, swallow shrike, wood swallow, tanager, shrike, bowerbird, catbird, dipper, water ouzel, vireo, waxwing.