- Old World warbler, true warbler - small active brownish or grayish Old World birds
--1 is a kind of warbler
--1 is a member of Sylviidae, family Sylviidae
--1 has particulars:blackcap, Silvia atricapilla; wood warbler, Phylloscopus sibilatrix; sedge warbler, sedge bird, sedge wren, reedbird, Acrocephalus schoenobaenus; wren warbler; tailorbird, Orthotomus sutorius