投稿者
Brian Sullivan 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
Carmel River SB (beach, lagoon, and/or Cross Hill)
Monterey, California, United States
この場所の視聴覚メディア 図解チェックリスト- 年齢と性別
- 未成鳥 性別不明 - X
観察結果の詳細
First-winter. Outside the range for Thayer's in my opinion. First picked up flying in off the water, and was immediately obvious as being much paler overall than Thayer's. I started shooting photos as it flew in and landed, but unfortunately it was quickly flushed by a dog, and it didn't return. The bird seems fairly typical in plumage for Kumlien's, but is on the heftier side of bill and head structure for that taxon. The bill also has more pale at the base than most Kumlien's on this date, but it is within the range of variation. Many first-winter Thayer's also show pale-based bills by this date. Size and general shape should rule out hybrids, especially those of larger, heftier taxa like Glaucous-winged x Glaucous Gull.
テクニカル・インフォメーション
- モデル
- Canon EOS 7D Mark II
- レンズ
- EF500mm f/4L IS USM
- ISO
- 800
- 焦点距離
- 500 mm
- フラッシュ
- Flash did not fire, auto
- Fストップ
- f/5.6
- シャッタースピード
- 1/1600 sec
- 大きさ
- 2500 pixels x 1500 pixels
- オリジナルのファイルサイズ
- 1.32 MB