Chinese Francolin (Francolinus pintadeanus)
This is a link to the call, recorded on video: https://www.youtube.com/watch?v=3el41_VD7lc
Collared Scops Owl (Otus lettia) - Call Only - in Discovery Bay, Hong Kong on 29 April 2019.
This is a link to the call, recorded on video: https://www.youtube.com/watch?v=4yPiVRTdOrQ
Two calls. The first is feint at the beginning of the video, the second one is louder at the end.
This is a screen shot from this video - https://www.youtube.com/watch?v=rYQhUtSTNzw