Eliezer Nieves Rodriguez with students at a workshop and bird census with the San Juan bay Estuarine Program and UPR with the Environmental Interpretation Course Eliezer-Workshop and bird census in UPR with the Environmental Interpretation Course Technical Details Camera: Canon PowerShot G7 X Taken: December 15, 2017 Focal length: 8mm Aperture: f/4 Exposure: 1/1,250 second ISO: 250
