Lesser Frigatebird

Lesser Frigatebird Fregata ariel

Vagrant. There are many records in various places in Japan after the passage of the typhoon. 

Most of the records are immature or juvenile, and there are few records of adult.

Fig. 1. Juvenile.
Fig. 2. Juvenile. Same bird as Fig. 1.
Fig. 3. Juvenile. Same bird as Fig. 1.
Fig. 4. Juvenile. Same bird as Fig. 1.
Fig. 5. Juvenile.
Fig. 6. Juvenile. Same bird as Fig. 5.