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Noun: order Passeriformes
  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 and Tyranni and Menurae and Oscines or Passeres
    - Passeriformes

Type of: animal order

Part of: Aves, class Aves