- sparrow, true sparrow - any of several small dull-colored singing birds feeding on seeds or insects
--1 is a kind of passerine, passeriform bird
--1 is a member of Passeridae, family Passeridae
--1 has particulars:English sparrow, house sparrow, Passer domesticus; tree sparrow, Passer montanus - hedge sparrow, sparrow, dunnock, Prunella modularis - small brownish European songbird
--2 is a kind of accentor