It comprises about 275 species found throughout the tropics and subtropics.

It comprises about 60 species, of which 49 are confined to continental Africa.

It comprises about 20 species, found from India to Malesia.

The genus comprises about 400 species, with a worldwide distribution.

It comprises about 15 species, the exact number depending on the authority.

The Flora of Lithuania is estimated to comprise about 10,600 species.

The genus comprises about 20 species divided into three sections.

They comprise about 1700 species and have a cosmopolitan distribution.

The tinamou family comprises about 47 species in nine genera.

More than 20 families are currently recognized, comprising about 500 genera and about 3,400 species.