Masked Booby

Masked Booby  Sula dactylatra

Fig. 1. Adult. Off Minami-Iwo-jima, Volcano Islands, Tokyo. Apr 8 2019.
Fig. 2. Adult. Same bird as Fig. 1. Off Minami-Iwo-jima, Volcano Islands, Tokyo. Apr 8 2019.
Fig. 3. 3rd-cycle?.
Fig. 4. 3rd-cycle?. Same bird as Fig. 3.
Fig. 5. 3rd-cycle? with male Brown Booby. Same bird as Fig. 3.
Fig. 6. Juv.
Fig. 7. Juv.
Fig. 8. Juv.
Fig. 9. Juv.
Fig. 10. Adults with Brown Boobies on breeding site.