1) Accentor 2) Bluebird 3) Bowerbird 4) Catbird 5) Finch 6) Flycatcher 7) Honeysucker 8) Mockingbird 9) Nuthatch 10) Oriole 11) Pipit 12) Shrike 13) Songbird 14) Starling 15) Tanager 16) Titlark 17) Titmouse 18) Vireo 19) Wagtail 20) Waxwing 21) Weaverbird 1) Finch or lark 2) Finch or shrike 3) Like a crow or lark 4) Of singing birds 5) Of the singing birds 6) Passeriform bird 7) Passerine 8) Singing bird 
• (a.) Relating to the Oscines.
any bird of the suborder Passeres (order Passeriformes), which includes all songbirds. See songbird.
Os'cine adjective (Zoology) Relating to the Oscines. 
[adj] - of or relating to the songbirds 2. [n] - passerine bird having specialized vocal apparatus
oscine 1. A reference to song birds. 2. Of, relating to, or belonging to the Oscines, a large suborder of passerine birds that includes most songbirds.
adjective of or relating to the songbirds
of, belonging to, or pertaining to the suborder Oscines, of the order Passeriformes, comprising the songbirds that have highly developed vocal organs.