me and my brother kind of had the same thing happen as big jim described. we were hunting near rimrock 2 years ago, it was our last day hunting the area and we were walking on a trail at o'dark thirty when we heard this screaming/howling up the hill from us. it froze us in our tracks and we both looked at each other knowing what we were both thinking.it kept goin up the hill faster than any of us could walk so we just decided to hunt for a little bit and head back to pack for home. when we got back to camp, our cousin was there still as he slept in and he asked us why the heck we were screaming in the woods. we said it wasnt us and that we thought it was bigfoot. he was skeptical to say the least. well we get home and decided to look up bigfoot sightings and there were some around the area and we seen a link to bigfoot sounds and there was one called the puyallup scream and we played it and it sounded exactly as what we heard in the woods and played it for our cousin and his jaw dropped when he heard it. so now he believes us and it made us a believer.