Families overview for this order

  • Medium-sized to large terrestrial birds with large, powerful legs and feet and sharp claws.
  • Australasian Region, with greatest diversity in Australo-Papuan Subregion; lone outpost in Oriental Region.
  • Tropical forest, mostly in lowlands; one species occupies semi-arid woodland and scrub.
  • Medium-sized to large long-tailed gallinaceous birds with predominantly arboreal habits.
  • Neotropical Region and extreme S Nearctic.
  • Forests, open woodlands and scrub, from sea-level up to 3900 m.
  • Medium-sized, plump terrestrial birds, with small head, and extensive bare skin on head and neck; most species with crest or bony casque.
  • Afrotropical Region.
  • Wide variety of habitats, from dense rain forest to semi-desert.
  • Fairly small terrestrial birds with compact body, strong legs, and short wings.
  • Neotropical and Nearctic Regions.
  • Tropical, subtropical and temperate forests, forest edge, savanna and agricultural land, from sea-level to 3300 m.

Includes, in Tetraonini, all taxa that have commonly been separated in families Meleagrididae and Tetraonidae.

  • Small to large terrestrial birds, with plump body, short, stout bill, short, rounded wings and short or very long tail; plumage drab or spectacular.
  • Old World, with greatest diversity in SE Asia and Africa.
  • Open areas or forest, from sea-level up to snow-line.