Possible Skinwalker encounter
A little less than a year ago, my friend and I were walking in the woods in MD, and sat and rested on the top of a hill with scattered trees and rocks. We were sitting and talking to each other when we heard a loud, high pitched whistle that changed pitch about every second. We both looked at each other and ran back down the trail the way we came, and the whistle continued to get louder, until fading away into silence. Neither have been back to the spot, and I haven't heard the sound since. Does this seem like it could've been a skinwalker?