gnatcatcher(redirected from Polioptilidae)
Also found in: Thesaurus.
Any of several tiny birds of the genus Polioptila, found throughout the Americas and having a long tail and a slender bill.
(Animals) any of various small American songbirds of the genus Polioptila and related genera, typically having a long tail and a pale bluish-grey plumage: family Muscicapidae (Old World flycatchers, etc)
any of various small, insect-eating New World songbirds of the genus Polioptila (subfamily Silviinae), having a long, mobile tail.