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Ryukyu Wood-pigeon (Columba jouyi) - Wiki latin dict size=120   common dict size=512
Image Info Original File Name: Japan-bird904-Ryukyu Wood-pigeon (Columba jouyi).jpg Resolution: 148x190 File Size: 9885 Bytes Upload Time: 2007:10:30 15:39:33
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Subject Ryukyu Wood-pigeon (Columba jouyi) - Wiki

Ryukyu Wood-pigeon (Columba jouyi) - Wiki; Image ONLY
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Ryukyu Wood-pigeon (Columba jouyi) - Wiki

Ryukyu Wood-pigeon
From Wikipedia, the free encyclopedia

[Photo] Ryukyu Wood-pigeon (Columba jouyi); リュウキュウカラスバト Columba jouyi (ハト科). Bird Stamp of Japan. Source: http://www.asahi-net.or.jp/~CH2M-NITU/japan6.htm

The Ryukyu Wood-pigeon (Columba jouyi), otherwise known as the Silver-banded or Silver-crescented Pigeon is an extinct species of pigeon that was endemic to islands in the Okinawa archipelago south-west of the Japanese mainland. In the Okinawa group, it has been recorded from Iheyajima, Izenajima, Okinawa proper and the nearby islet Yagachijima. In the Kerama Retto to the west of Okinawa, it was found on Zamamijima, whereas in the Dait?? group, some 300 km to the SE of Okinawa, it occurred on both major islets, Kita Dait??jima and Minami Dait??jima. In earlier times, it was most likely also found on other islands near Okinawa, such as Iejima. The species' scientific name honors Stejneger's friend, the specimen collector Pierre Louis Jouy.

Extinction
Like all species of Japanese wood-pigeons, the Ryukyu Wood-pigeon was very susceptible to habitat destruction. It required substantial areas of undisturbed subtropical forest to thrive. Iejima, for example, was largely deforested for settlement and agriculture even before scientific exploration began, which explains the absence of records from this island. The species was last recorded on Okinawa in 1904, probably succumbing to hunting. In the Dait?? group, it disappeared after 1936 due to these small islands being completely deforested by settlement and construction activity prior to World War II. It was presumed to continue to exist on the outlying islands in the Okinawa group, but has never been found again.

Theoretically, there is sufficient habitat remaining in the mountains of Okinawa. Still, the military activity in World War II and hunting by the Japanese garrison would probably have yielded sightings, if birds still had existed there. More puzzling is the absence of any records from Tokashikijima in the Kerama Retto, which, despite being small, has still mostly intact forest cover even today; Zamamijima, where the species is known to have occurred is smaller still and situated farther away from the Okinawan mainland.

http://en.wikipedia.org/wiki/Ryukyu_Wood-pigeon
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