From Russel Wiitala:"18 August 2014, at approximately 2:25 a.m. in western Washington. I've been hearing this clan and maybe another for several weeks in this area. I finally purchased a Sony ICD-PX 312. This was the first time I used it. I believe this is a juvenile male having fun. He woke me up so that I wouldn't miss his impressive call. A few seconds after the call you can hear, who I think is his younger brother stationed to the northeast, knock in reply to the call. I awoke to hear the older brother retreat into the woods to the south, for a few yards, before letting go with this awesome call. There are pushed down trees everywhere in the general area. Note that the trees are pushed in opposite directions in one part of this video."