warbler

noun

1. a bird or person that warbles; singer; songster
2. ☆ any of a large, New World passerine family (Parulidae) of small, insect-eating birds, many of which are brightly colored, as the yellow warbler, the prothonotary warbler, or the American redstart; wood warbler
3. any of a large, mainly Old World, passerine family (Sylviidae) of small songbirds, including the whitethroats