warbler

noun5

1. •
   Any of various small passerine songbirds, especially of the family Sylviidae (Old World warblers) and Parulidae (New World warblers).
2. •
   One who warbles.

   • In lulling strains the feather'd warblers woo. — 1740
3. •
   A device that makes a warbling sound.

   • In electronic telephones, this ringer may be a small electronic warbler rather than a bell. — 2011
4. •
   (UK, slang) A hissy fit.
5. •
   (no longer used) Applied formerly to various other passerine bird families, such as the Australian Acanthizidae.