投稿者
Martin Reid この投稿者による視聴覚メディア プロフィール
日付
場所
Laem Phak Bia--sandspit
Phetchaburi, Thailand
この場所の視聴覚メディア 図解チェックリスト- 年齢
- 指定なし
- 性別
- 指定なし
視聴覚メディア・ノート
heuglini on left, with adult barabensis on right
観察結果の詳細
This bird had been seen and photographed by others prior to our visit. I have seen many heuglini and barabensis side-by-side in Bahrain in mid-March 1999, and this individual looked as I would expect a barabensis to look c. two-weeks earlier - i.e. merest traces of any winter markings, on the lower hindneck, and with breeding-state bare parts, including black and red gonydal spots. There was no adult heuglini to compare it with, but I'd judge that - taking into account the differing angles of view/sunlight - the barabensis was very slightly paler than the two 3rd-cycle heuglinis seen next to it. The degree of black in the primaries was extensive, but I cannot quantify this.
テクニカル・インフォメーション
- モデル
- Canon EOS REBEL T2i
- ISO
- 400
- 焦点距離
- 400 mm
- フラッシュ
- Flash did not fire, auto
- Fストップ
- f/8.0
- シャッタースピード
- 1/3200 sec
- 大きさ
- 1049 pixels x 726 pixels
- オリジナルのファイルサイズ
- 96 KB