The members of this Section have the plumage of the young birds duller than that of the adults, sometimes more streaked or blotched, but never more barred, as in the Lanii or Shrikes, nor more spotted, as in the Turdi or Thrush group, and never brighter than the adults, as is the case in the SilvycB or Warblers. They differ from the Frhujillce, or Finches, in the form of the bill ; from the Alaiula, or Larks, in the back of the tarsus being •plain, not scutellated, and the secondaries never reach to the tip of the wing ; from the other four Sections they differ in their mode of feeding, often perching on the ground for that purpose and they are more omnivorous.Flight powerful ; wings pointed ; bill and feet strong ; generally gregarious ; not migratory {Oriolus galbula excepted) ; sexes generally alike in plumage ; size about that of a Thrush, excepting in the Corvidat, the largest of which is the Eaven.Nest cup-shaped and placed among boughs or in holes. Eggs, generally five in a clutch, are uniform or spotted.KEY TO THE FAMILIES.a. Tarsus short, never more than 1-1 inches and is not longer than the culmen, otherwise they are Thrush-like in form and size, with no metallic gloss. All the Ethiopian species have a considerable amount of yellow on the upper parts, head or neck, as well as upon the breast, and the bill is pale reddish brown in adults Oriolida. b. Tarsus comparatively longer. No yellow feathers on the upper parts, head or neck, which are generally strongly glossed ; bill never pale reddish brown. a^. Earely with any notch on the upper mandible ; form and size generally more Thrush-like ; tail of twelve feathers, square or graduated SturnidcB. b^. A notch on the upper mandible near the end ; size variablefrom that of a Thrush to that of a Eaven ; tail, when of twelve feathers is square or rounded and when of only ten feathers is generally graduated and longer than the wing.Corvida.