RDS Living RDSs: Ligers, Tigons, and Grolar Bears, oh my! I recently came across an article about a 'mystery monkey' found in the jungles of Borneo (pictured below). A tour guide took a picture of this mysterious monkey which baffled biologists for nearly six years. Now they believe they know what it is. Elena Cabrera Elena Cabrera 19 Jan 2023 • 1 min read