The deep blue  ( lat. Columba janthina ) is an island species of pigeons that inhabits forests from the south of Honshu Island to the Ryukyu archipelago , as well as in the south of Nampo in the Pacific Ocean . The pigeon is almost black with a metallic sheen, from purple on the head to greenish on the neck, chest and back.
|International scientific name|
Columba janthina ( Temminck , 1830 )
It nests in a niche of trees, rocks and a fork in the branches, in the nest there is only one egg.
The nominative subspecies Columba janthina janthina is already considered rare in Japan . The southern subspecies Columba janthina stejnegeri nests only on the islands of Ishigaki , Iriomote and Yonaguni (in the south of the Ryukyu archipelago ), is threatened with extinction and has been protected by law since 1972 . The third subspecies Columba janthina nitens with a reddish tinge of the plumage of the head was preserved only on a few islands in the groups of Ogasawara (Bonin) and Kazan (Volkano) in Oceania . It is declared a natural monument of Japan.
- C. j. janthina
- C. j. nitens
- C. j. stejnegeri
- Boehme R. L. , Flint V. E. The Bilingual Dictionary of Animal Names. Birds. Latin, Russian, English, German, French / Ed. ed. Acad. V. E. Sokolova . - M .: Rus. lang., "RUSSO", 1994. - S. 97. - 2030 copies. - ISBN 5-200-00643-0 .
- Columba janthina The IUCN Red List of Threatened Species .
- Russian Vertebrate Animals Database: Japanese Vahir