Confuciusornis Imaged with LSF (IMAGE) The University of Hong Kong Caption Figure 2. A specimen of the early beaked bird Confuciusornis imaged with the HKU-codeveloped imaging technique, Laser-Stimulated Fluorescence (LSF). The rhamphotheca or 'soft beak' (fingernail-like coating of the bony beak) is the reddish-brown shape on the right of the image. Credit Michael Pittman & Thomas G Kaye. Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.