Even though I believe this to be a mountain lion scream, I applaud the listener for recording it. A listener writes “What’s this screaming? Recorded tonight in Waycross, GA near Okefenokee swamp.”
The Okefenokee Swamp is a shallow, 438,000-acre, peat-filled wetland straddling the Georgia–Florida line in the United States. A majority of the swamp is protected by the Okefenokee National Wildlife Refuge and the Okefenokee Wilderness.
Here is a the video along with a mountain lion at the end to compare