warbler \war"bler\, n.
   1. one who, or that which, warbles; a singer; a songster; --
      applied chiefly to birds.
      1913 webster

            in lulling strains the feathered warblers woo.
                                                  --tickell.
      1913 webster

   2. zool. any one of numerous species of small old world
      singing birds belonging to the family sylviidae, many of
      which are noted songsters. the bluethroat, blackcap, reed
      warbler see under reed, and sedge warbler see under
      sedge are well-known species.
      1913 webster

   3. zool. any one of numerous species of small, often bright
      colored, american singing birds of the family or subfamily
      mniotiltidae, or sylvicolinae. they are allied to the
      old world warblers, but most of them are not particularly
      musical.
      1913 webster

   note: the american warblers are often divided, according to
         their habits, into bush warblers, creeping warblers,
         fly-catching warblers, ground warblers, wood warblers,
         wormeating warblers, etc.
         1913 webster

   bush warbler zool. any american warbler of the genus
      opornis, as the connecticut warbler opornis agilis.
      

   creeping warbler zool., any one of several species of
      very small american warblers belonging to parula,
      mniotilta, and allied genera, as the blue yellow-backed
      warbler parula americana, and the black-and-white
      creeper mniotilta varia.

   fly-catching warbler zool., any one of several species of
      warblers belonging to setophaga, sylvania, and allied
      genera having the bill hooked and notched at the tip, with
      strong rictal bristles at the base, as the hooded warbler
      sylvania mitrata, the black-capped warbler sylvania
      pusilla, the canadian warbler sylvania canadensis,
      and the american redstart see redstart.

   ground warbler zool., any american warbler of the genus
      geothlypis, as the mourning ground warbler geothlypis
      philadelphia, and the maryland yellowthroat see
      yellowthroat.

   wood warbler zool., any one of numerous american warblers
      of the genus dendroica. among the most common wood
      warblers in the eastern states are the yellowbird, or
      yellow warbler see under yellow, the black-throated
      green warbler dendroica virens, the yellow-rumped
      warbler dendroica coronata, the blackpoll dendroica
      striata, the bay-breasted warbler dendroica
      castanea, the chestnut-sided warbler dendroica
      pennsylvanica, the cape may warbler dendroica
      tigrina, the prairie warbler see under prairie, and
      the pine warbler dendroica pinus. see also magnolia
      warbler, under magnolia, and blackburnian warbler.
      1913 webster
see also:
sylviidae reed sedge mniotiltidae sylvicolinae bush warbler 
opornis opornis agilis creeping warbler parula mniotilta 
parula americana mniotilta varia fly-catching warbler setophaga sylvania 
sylvania mitrata sylvania pusilla sylvania canadensis redstart ground warbler 
geothlypis geothlypis philadelphia yellowthroat wood warbler dendroica 
yellow dendroica virens dendroica coronata dendroica striata dendroica castanea 
dendroica pennsylvanica dendroica tigrina prairie dendroica pinus magnolia warbler 
magnolia blackburnian warbler