"Ohio howls" heard not far from where recording was obtained in 1994 witnessed in Beaver County, Pennsylvania

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The Saturday night before Easter 2020, I was sitting outside by a crackling fire, all alone. Was about 11:30 at night, and I had some music playing low on a small Bluetooth speaker. From way deep in the valley below me, and I mean it's a huge expanse of woods back there, a couple miles to the next road, I heard a bone chilling ethereal howl. Then I heard it again. Turned my music off, and listened intently. I heard it three more times over the next minute or so. Too faint to record but loud enough to hear beside a crackling pine fire. Each instance was three or five seconds long, sounded 'WHOOOOHRRRLL'. Started soft, picked up in intensity, then tailed off. Whatever it was it was very loud, very powerful, almost resonated like a train whistle does from a distance. I could also tell the sound was projected in different directions on a couple of the howls. I have spent a lot of time in the woods in my life. I'm an avid hunter, and an all around outdoorsman. I'm familiar with the anim...