Noun: order Passeriformes- 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
- Passeriformes
Type of: animal order
Part of: Aves, class Aves