Red-tailed Tropicbird

Red-tailed Tropicbird Phaethon rubricauda

Common around Volcano Is and Minami-torishima (E Bonin Is). Uncommon around Nakano-ugan-shima; Okinawa Pref, and Bonin Is in summer. Also several records from Honshu, Shikoku and Kyushu after typhoon passed.

Breeding sites are confirmed on Volcano Is; Kita-Iwo-jima, Minami-Iwo-jima, and E Bonin Is; Minami-torishima.

Fig. 1. Adult.
Fig. 2. Adult.
Fig. 3. Adult.
Fig. 4. Adult.
Fig. 5. Adult.
Fig. 6. Adult.
Fig. 7. Adult.
Fig. 8. Immature, 2nd-cycle? This bird has orange bill, pinkish short tail and black feathers on coverts.
Fig. 9. 1st-cycle? This bird looks like juv. but has yellowish bill.