1. Largest order of birds comprising about half the known species: rooks, finches, sparrows, tits, warblers, robins, wrens, swallows, etc.; the four suborders are Eurylaimi, Tyranni, Menurae and Oscines or Passeres
   - order Passeriformes

Type of: animal order

Part of: Aves, class Aves

Encyclopedia: Passeriformes