HKBWS BBS 香 港 觀 鳥 會 新 聞 組    Discussion Area 討論區    Photo Gallery 相片分享 I (Moderators: George_Ho, BBS Moderators, carmen, Kwok Jai, Forrest FONG)    Eastern Marsh Harrier 白腹鷂 Female 雌性 Inflight « Previous topic | Next topic » Pages: 1  Reply Send Topic Print    Author  Topic: Eastern Marsh Harrier 白腹鷂 Female 雌性 Inflight  (Read 289 times) Daniel CK Chan BBS Member BBS God I love nature photography!     Gender: Posts: 794 Eastern Marsh Harrier 白腹鷂 Female 雌性 Inflight « on: Dec 9th, 2003, 8:37pm » Quote Modify 074 Eastern Marsh Harrier 白腹鷂 Mai Po Nature Reserve 米埔自然保護區 06/12/2003 10D+500IS+1.4x http://www.danielckchan.com/b20030364.jpg http://www.danielckchan.com/b20030365.jpg[/img] « Last Edit: May 21st, 2004, 9:52am by BBS Moderators » Logged Daniel CK Chan http://www.danielckchan.com sky4082 BBS Member BBS Senior Member I love bird watching!     Posts: 67 Re: Eastern Marsh Harrier (Female)澤鷂 (雌性)Infli « Reply #1 on: Dec 9th, 2003, 8:44pm » Quote Modify Excellent ! Logged 648 BBS Member BBS God     Posts: 439 Re: Eastern Marsh Harrier (Female)澤鷂 (雌性)Infli « Reply #2 on: Dec 9th, 2003, 9:56pm » Quote Modify DANIEL兄：   口水流滿地！ 貼一張隱沒在草叢前的一刻. http://kite.center.kl.edu.tw/vbb/attachment.php?s=&postid=57089   飛 « Last Edit: Dec 16th, 2003, 7:44am by Sophia » Logged Forrest FONG BBS Administrator I love Bird Watching!     Gender: Posts: 1123 Re: Eastern Marsh Harrier (Female)澤鷂 (雌性)Infli « Reply #3 on: Dec 9th, 2003, 11:12pm » Quote Modify 飛兄：   澤鷂在草叢前隱沒的一刻，時間及地點等重要資料也一起隱沒掉！   Forrest Logged FF BERNARD BBS Member BBS Senior Member I love bird watching!     Gender: Posts: 83 Re: Eastern Marsh Harrier (Female)澤鷂 (雌性)Infli « Reply #4 on: Dec 10th, 2003, 1:30pm » Quote Modify Hi Daniel & Fei,   Are they photos of 2 different birds ? I notice that Fei's bird have greyish wing edges and black and white wing tips but is absent in Daniel's bird.       Bernard. Logged Paul Leader Guest Re: Eastern Marsh Harrier (Female)澤鷂 (雌性)Infli « Reply #5 on: Dec 11th, 2003, 9:51am » Quote Modify Remove Extremely useful and educational photographs.  They do indeed show two different individuals which are a second-winter female and a second-winter male.   For sexing, the first bird is a relatively large, dark-bodied and very pale headed bird (= female) and the second a smaller looking bird with more contrasting plumage and a darker head (=male).  It also has greyish central tail feathers.   Although they both look superficially like juveniles, a look at the moult pattern shows that they cannot be, as both have two different ages of primaries.  They have moulted the outer five and retained the inner five juvenile feathers which are slightly browner and a little more worn.   The second bird is very interesting as is shows an underwing very similar to juvenile Pied Harrier, with the silvery grey underside to the primaries.  However the body is not richly coloured, the secondaries should be barred on Pied (not uniformly dark) and the rump would be a brilliant white.   Please keep posting these photos of birds of prey, they really are very interesting.   Thanks,   Paul Logged Pages: 1  Reply Send Topic Print Forum Jump: ----------------------------- Announcement 簡訊通告 -----------------------------  - Membership Affair 會員事務   - Outings / Activities 戶外活動 / 講座   - Projects 項目計劃   - Crested Bulbul Club 紅耳鵯俱樂部 ----------------------------- Discussion Area 討論區 -----------------------------  - General 一般問題   - Conservation 自然保育   - Bird Identification 鳥類辨識   - Birding Reports & Tips 觀鳥報告及心得 => Photo Gallery 相片分享 I   - Photo Gallery 相片分享 II ----------------------------- Special Topics 特別主題 -----------------------------  - Wild Birds & Avian Flu 野鳥與禽流感   - Sustainable Management Scheme in Long Valley 塱原可持續生態管理計劃   - Black-faced Spoonbill 黑臉琵鷺   - Goodbye Penfold 告別彭福   - Tern Conservation 燕鷗保育   - Black-eared Kite 鳶(麻鷹)   - Swifts and Swallows 燕與雨燕   - China Birdwatching Network 中國觀鳥活動網絡   - Winter Altas Survey 冬季鳥類普查   - Nature Conservation Policy 自然保育政策 ----------------------------- Knowledge Sharing 知識分享 -----------------------------  - FAQ 常見問題   - Archive 資料重溫 « Previous topic | Next topic »

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Hong Kong Bird Watching Society

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