Short-tailed Shearwater

Short-tailed Shearwater Ardenna tenuirostris

Mainly migration visitor. Common around Hokkaido, Honshu, Shikoku, Kyusyu and Okinawa in spring; Mar-Jul.

Fig. 1. Juvenile.
Fig. 2. Juvenile.
Fig. 3. Juvenile.
Fig. 4. Juvenile.
Fig. 5. Juvenile.
Fig. 6. Flight with Black-legged Kittiwake.
Fig. 7. Juvenile.
Fig. 8. Presumed molting juvenile to 1st.
Fig. 9. Off Shiriyazaki, Aomori Pref. Oct 19 2019.
Fig. 10. Same bird as Fig. 9. Off Shiriyazaki, Aomori Pref. Oct 19 2019.
Fig. 11. Presumed Adult. Off Shiriyazaki, Aomori Pref. May 16 2020.
Fig. 12. Juvenile. Off Shiriyazaki, Aomori Pref. May 17 2020.
Fig. 13. Juvenile with Sooty Shearwater (right). Off Kuji. Jun. 3 2012.
Fig. 14. Flock of Adults.