1) Bird family 2) Family sylviidae 
Sylviidae is a family of passerine birds that was part of an assemblage known as the Old World warblers. The family was formerly a wastebin taxon with over 400 species of bird in over 70 genera. The family was poorly defined with many characteristics shared with other families. Advances in classification, particularly helped with molecular data, h...
songbird family, order Passeriformes, consisting of the Old World warblers, almost 300 species of small, dull-coloured active birds found in a ...
[n] - in some classifications considered a subfamily (Sylviinae) of the family Muscicapidae: Old World (true) warblers
family Sylviidae noun in some classifications considered a subfamily (Sylviinae) of the family Muscicapidae: Old World (true) warblers; American kinglets and gnatcatchers