ML647742079
投稿者
Richard Bradus この投稿者による視聴覚メディア
日付
場所
Lake Merced--Wooden Bridge area
San Francisco, 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
- 指定なし
- 性別
- 指定なし
- 音声
- 地鳴き
- プレイバック（音声の再生）
- 指定なし
視聴覚メディア・ノート
Chattering flock of WcSp perching in the brush and foraging along the west side path. I don't recall hearing this kind of chatter before.
観察結果の詳細
Conservative estimate. Initially quite scarce, a small foraging group came out along the grass near the path to the golf course as I began my way back. Toward dusk a much larger, active and chattering flock was foraging along the path west of the parking area and made quite a spectacle as they pecked at and sparred over a discarded piece of pizza on the path. A couple of them appeared to have pink bills, but that may have been an artifact of the low light levels at dusk.
テクニカル・インフォメーション
- レコーダー
- TwistedWave app on iPhone; normalized p high pass filter (240Hz) to cut noise.
- マイク
- アクセサリ
- オリジナルのファイルサイズ
- 2.93 MB