\War"bler\, n.
1. One who, or that which, warbles; a singer; a songster; --
   applied chiefly to birds.
         In lulling strains the feathered warblers woo.
                                               --Tickell.
2. (Zo["o]l.) Any one of numerous species of small Old World
   singing birds belonging to the family {Sylviid[ae]}, many
   of which are noted songsters. The bluethroat, blackcap,
   reed warbler (see under {Reed}), and sedge warbler (see
   under {Sedge}) are well-known species.
3. (Zo["o]l.) Any one of numerous species of small, often
   bright colored, American singing birds of the family or
   subfamily {Mniotiltid[ae]}, or {Sylvicolin[ae]}. They are
   allied to the Old World warblers, but most of them are not
   particularly musical.
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.
{Bush warbler} (Zo["o]l.) any American warbler of the genus
   {Opornis}, as the Connecticut warbler ({O. agilis}).
{Creeping warbler} (Zo["o]l.), 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} (Zo["o]l.), 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 ({S. pusilla}), the Canadian warbler ({S.
   Canadensis}), and the American redstart (see {Redstart}).
{Ground warbler} (Zo["o]l.), any American warbler of the
   genus {Geothlypis}, as the mourning ground warbler ({G.
   Philadelphia}), and the Maryland yellowthroat (see
   {Yellowthroat}).
{Wood warbler} (Zo["o]l.), 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 ({D. coronata}), the blackpoll ({D. striata}), the
   bay-breasted warbler ({D. castanea}), the chestnut-sided
   warbler ({D. Pennsylvanica}), the Cape May warbler ({D.
   tigrina}), the prairie warbler (see under {Prairie}), and
   the pine warbler ({D. pinus}). See also {Magnolia
   warbler}, under {Magnolia}, and {Blackburnian warbler}.