Struthioniformes

Families overview for this order

  • Huge, flightless, two-toed terrestrial birds with long, powerful neck and legs.
  • Afrotropical Region.
  • Savannas, semi-arid and arid open areas.
  • Huge, flightless, three-toed terrestrial birds with long neck and legs.
  • Neotropical Region.
  • Grassland and open scrub, from sea-level up to 4500 m.

Several recent studies place this family within Struthioniformes, with rheas as closest relatives#R#R#R#R. Sequence of genera modified in line with recent morphological and molecular analyses, which show Tinamus and Crypturellus to be sister groups, with Nothocercus basal to all other tinamous#R#R#R.

  • Small to medium-sized, plump terrestrial birds with short, strong legs and rudimentary tail.
  • Neotropical Region.
  • Forests or savanna/steppe, from sea-level up to 5300 m.
  • Huge, flightless, three-toed terrestrial birds with long neck and legs, and prominent casque.
  • Australo-Papuan Subregion.
  • Rain forest and savanna woodland, from lowlands up to 3000 m.
  • Small to medium-sized, flightless terrestrial birds with rudimentary wings, no tail and shortish, stout legs.
  • New Zealand.
  • Mainly forests, also woodland and scrub, up to 1200 m.