Subject: Two forms of Common Tern [Print This Page]

---

Author: cywong    Time: 30/04/2008 22:25     Subject: Two forms of Common Tern

Two forms of Common Tern, Southern waters of HK, 27.04.08

Upper -  tibetana, Lower - longipennis


Common Tern( tibetana)


Common Tern (longipennis)

---

Author: gary    Time: 2/05/2008 00:17

nice comparison photos!

Gary

---

Author: cywong    Time: 2/05/2008 22:32

Thanks to Gary.

---

Welcome to HKBWS Forum 香港觀鳥會討論區 (http://www.hkbws.org.hk/BBS/)

Powered by Discuz! 6.0.0