Okinawa's capital, Naha, is located in the southern part of the largest and most populous island, Okinawa Honto, which is approximately half-way between Kyūshū and Taiwan.
Okinawa's location in the East China Sea, and relatively close proximity to Japan, Korea, China and South East Asia allowed the Ryūkyū Kingdom to become a prosperous trading nation.
Okinawa is a major producer of sugar cane, pineapples, papayas and other tropical fruits.
In 1987, McWhirter observed one at Camp Kinser, Urasoe-shi, Okinawa on 4 April and one at Nishizaki, Itoman-shi, Okinawa on 25 April.
On Okinawa, there are at least two banding records by Mano, one juvenile was captured on 22 September 1976 at Isagawa, Nago-shi, and another was banded on 19 September 1979 at Gabusoka, Nago-shi.
Tetsujiro Harato and Kinjo observed one bird on 26 December 1986 on Yonaguni, and Shoyama photographed one bird on 20 November 1987 on Iriomote.