I am not good with birds, so I don't know what this one is, even though it is probably very common. Recorded at Sauvie Island, Oregon. Oh yeah, near the end, there is a bat in there too, but you can't hear it unless you slow the recording down at least 50%
Recordist: Tim Kahn
Recorder: Zaxcom Maxx
Microphone: MKH8020 in Telinga Dish 鳥01.wav 聲道:1 類型:wav geotagged、bird、portland、bird-song、telinga、oregon、single-species、parabola、field-recording 地理標記、鳥、波特蘭、鳥的歌聲、耳朵、俄勒岡、單品種、拋物線、現場記錄 資料來源:freesound ( https://freesound.org )