unknown bird sound in Xiangtoushan National Natural Reserve 象頭山國家自然保護區
the high frequency calling was recorded from a woodland, no streams and water ponds around~
pleaseeeee help to id it~THX!!
*please download the voice file via the link below
https://drive.google.com/open?id=0B3tnKsXZU-UfWHJudkMzM1d5Sm8