During the summer of 2013, I spent a several weeks at a time doing research in the area I had previously recorded whistles, growls, and moans. Some of the vocalizations were becoming very familiar, but I had not been able to associate the vocalizations with any specific creatures or Bigfoot. The big picture of the data collected for the last six years indicated there was not any bears in the area, and there was a high probability the whistles were not birds. I had even managed to have a whistling conversation with one, and when I tried to follow the creature, I was discouraged by several rocks slamming the trees next to me. Birds and bears do not throw rocks.

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