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 and Tyranni and Menurae and Oscines or Passeres
group: any number of entities (members) considered as a unit
phasmid: large cylindrical or flattened mostly tropical insects with long strong legs that feed on plants; walking sticks and leaf insects