Original posted by gary at 9/10/2008 19:47
Speaking about the bird,
Refering to guide book, Brown should be 2cm larger than Red-backed, a 10 % size difference which should be notable in the field.
Could someone lucky to have seen the bird tell ...
Original posted by lpaul at 9/10/2008 13:14
Having seen the bird (thank you very much twaiyi) and done a little more research I am completely happy that this is Red-backed for the following reasons:
Tail structure: very short distance between ...
Welcome to HKBWS Forum 香港觀鳥會討論區 (http://hkbws.org.hk/BBS/) | Powered by Discuz! 6.0.0 |