Possible whistles heard by campers north of Sault Saint Marie witnessed in Ontario, Canada

Open Map

Last year a bunch of us went up to Superior for a week of backcountry camping. The weather was really bad except for a couple of days near the end of the week so we ended up staying in campgrounds ( we had five kids with us ) for the start of the week. Anyway we decide to take a four hour hike into the backcountry which would end up at a remote camp spot by the lake. The camp is set on a beach facing out to the lake. There is old growth forest behind the camp leading into acres of wilderness. A couple of the girls were going back to the toilet ( a seat on a box in the middle of the bush ) around 6p.m. and they came back shortly after stating they saw something black ( about 60 feet away) behind some trees/bushes. It wasn't moving as if it was hiding or watching them. ( this is stated in more detail in a seperate report by my wife ) My brother and I went back there but we didn't see or here anything. There was only one couple at the other end of the beach , about a ten minute w...