wcaptain

只有英文及書刊版，沒有網上版。介紹如何分辨日本松雀鷹，松雀鷹，赤腹鷹，雀鷹，鳳頭鷹及褐耳雀鷹的
成鳥及幼鳥

http://orientalbirdclub.org/birdingasia-21/


Birding asia - June 2014 (No 21, page 52)
ID FORUM Flight identification and plumage descriptions of six Accipiter species on southbound migration at Khao Dinsor, Chumphon province, Thailand

ROBERT DECANDIDO, CHUKIAT NUALSRI, MARTTI SIPONEN, KASET SUTASHA, ANDREW PIERCE, JONATHAN MURRAY & PHILIP D. ROUND