報告

提供者

日期

eBird 紀錄清單 S284537319

地點

Lake Kakusha
La Salle, Illinois, United States
來自這個地點的影音 影音名錄
地圖
地圖 座標: 41.5620608, -89.1372406
年齡
未確定
性別
未確定
回播
未確定

觀察細節

Yesterday, I had 6 TRSW here and thought it strange they picked up a seventh one overnight. When they flew off, the size difference was apparent, the TUSW flew separately behind the TRSWs, and the TUSW was calling while TRSWs were mostly quiet.

技術資訊

錄音機
麥克風
配件
原始檔案大小
5.07 MB