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.

Explore this group

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

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