Several domestic ostrich in South Africa

Ostriches and rheas

Ostriches, rheas and related birds are ratites - an order of flightless birds. The other members are the kiwis, emu, cassowary, as well as various extinct species such as the elephant bird.

Scientific name: Struthioniformes

Rank: Order

Common names:



Map showing the distribution of the Ostriches and rheas taxa

The shading illustrates the diversity of this group - the darker the colour the greater the number of species. Data provided by WWF's Wildfinder.

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When they lived

Discover the other animals and plants that lived during the following geological time periods.


  1. Life
  2. Animals
  3. Vertebrates
  4. Birds
  5. Ostriches and rheas