:Note:  
 
Sorry the audio is really bad. I wasn't planning on using this audio at the time, and I planned to get a better recording, but the bird had left or went quiet already. The best quality sounds were near the end, but there are some calls throughout. I left the untrimmed video in case it helps. Please excuse my footsteps.

Calls were at 0:11, 0:15, and 0:19 at around 6kHz and then at 0:23, 0:28, 0:32, and 0:34 in the 7-9 kHz range, centered around 8 kHz. So it was calling about every four seconds.