ML36365441
Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreus
投稿者
日付
場所
- 年齢
- 指定なし
- 性別
- 指定なし
観察結果の詳細
I think this is an immature Glaucous based on 1) its large size (much larger than California Gulls that it was not getting along with), 2) overall dirty white plumage, 3) bill color (very pink with well-defined black tip with a pink point on the very end of the bill), and 4) most importantly, very light, whitish primaries and tail. Even though light and pictures can be deceiving, the primaries and tail of a Herring wouldn't have appeared so light. Also observed in the field but not too apparent on photos were pinkish legs. I didn't know what to look for in the field to distinguish large gulls so I am going solely off of these photos: Feb 2016 update: Ryan O'Donnell noted that the primaries appear too dark for a pure Glaucous Gull, and suggested that this bird could be a first-cycle "Nelson's Gull" (Herring Gull x Glaucous Gull hybrid).
テクニカル・インフォメーション
- モデル
- COOLPIX S9500
- ISO
- 125
- 焦点距離
- 99 mm
- フラッシュ
- Flash did not fire, auto
- Fストップ
- f/6.3
- シャッタースピード
- 1/400 sec
- 大きさ
- 1378 pixels x 1036 pixels
- オリジナルのファイルサイズ
- 481.66 KB