Bulwer’s Petrel

Bulwer’s Petrel Bulweria bulwerii

Common around Izu Is, Bonin Is, Volcano Is, S Kyusyu and Okinawa. Summer breeder, population increase summer to autumn.

Breeding sites are confirmed on Izu Is, Bonin Is, n and s Kyusyu, and W Okinawa.Breeding sites;Tokyo: Izu Is; Onohara-jima, Hachijyo-kojima, Torishima, Bonin Is; Kitano-shima, Higashi-jima, Minami-jima, Tatsumi-jima, Nishino-shima, Volcano Is; Kita-iwo-jima, Iwo-jima, Minami-iwo-jima.Miyazaki Pref: Birou-jima, Kaminone-jima, Hanmya-tou.Okinawa Pref: Nakano-ugan-shima.

Fig. 1. Off Chichijima, Bonin Islands, Tokyo. Sep. 23 2020.
Fig. 2. Off Chichijima, Bonin Islands, Tokyo. Sep. 23 2020.
Fig. 3. Off Chichijima, Bonin Islands, Tokyo. Sep. 22 2020.
Fig. 4. Off Chichijima, Bonin Islands, Tokyo. Sep. 23 2020.
Fig. 5. Off Mukojima, Bonin Islands, Tokyo. Sep. 21 2020.
Fig. 6. Off Mukojima, Bonin Islands, Tokyo. Sep. 21 2020.
Fig. 7. Off Chichijima, Bonin Islands, Tokyo. Sep. 20 2020.
Fig. 8. Off Chichijima, Bonin Islands, Tokyo. Sep. 20 2020.
Fig. 9. Off Minami-iwo-jima. Jul. 5 2013.
Fig. 10. Off Minami-iwo-jima. Sep. 12 2009.
Fig. 11.
Fig. 12.