4 16montageamphowlandwhoop-AMHPLPNR by Jim Sherman published on 2012/11/11 13:26:51 +0000 Filtered by Monongahela @ sasquatchbioacoustic.blogspot.com/ . 10:13pm 4-16-2012. Fence post. Collected from 45 minutes of audio. The crickets and frogs were evident and nearly blocked out the vocals. The howls and whoops were familiar to the area but the last and closest vocal is new.