As of 2000, 40 species were known from the Oriental region alone.

The Oriental Region was by no means as easy to define.

It is found commonly and widely distributed in the Oriental region throughout the year.

The name refers to the tropical area of the Oriental Region.

It contains material about birds of the Oriental region.

There are three other, far larger animals that are unique to the Oriental Region.

It is widely distributed in the Oriental region.

Most species are distributed throughout the Afrotropical and Oriental regions.

Worldwide, but the Australasian and Oriental regions are the most species rich.

It is found from the Oriental region to Sundaland.