Order: Struthioniformes Family: Struthionidae (X) Extinct - a species or subspecies that no longer exists.(Ex) Extirpated - a species that no longer occurs in Asia although populations exist elsewhere.(I) Introduced - a species introduced to Asia as a consequence, direct or indirect, of human actions.(A) Accidental - a species that rarely or accidentally occurs in Asia.The commonly occurring native species do not fall into any of these categories. The following tags have been used to highlight several categories. Japan, the Izu Islands, the Ryukyu Islands, Taiwan, the Philippines, Malaysia and Indonesia. It includes the Russian islands in the Bering Sea and North Pacific. In the Indian Ocean it includes Sri Lanka, Lakshadweep (the Laccadive Islands), the Andaman and Nicobar Islands. The area is separated from Africa by the Suez Canal. The area includes Russia east of the Ural River and Ural Mountains and the Russian Arctic islands east of Novaya Zemlya, as well as Kazakhstan, Georgia, Azerbaijan, and Turkey. Furthermore, different approaches to ornithological nomenclature have led to concurrent systems of classification (see Sibley-Ahlquist taxonomy). As more research is gathered from studies of distribution, behaviour, and DNA, the order and number of families and species may change. The taxonomy of this list adheres to James Clements' Birds of the World: A Checklist, 2022 edition. The avifauna of Asia includes a total of 3845 species.
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