Common Tern (Sterna hirundo) flying with fish near the Kingston Seawall, Georgetown. Taken: 14 October, 2014Camera: Canon EOS 6DFocal length: 700mmAperture: ƒ/8Shutter speed: 1/2000sISO: 500Flash fired: no Common Tern (Sterna hirundo) flying over the muddy waters of the Demerara River, Georgetown. Taken: 5 April, 2014Camera: Canon EOS 6DFocal length: 300mmAperture: ƒ/9Shutter speed: 1/1000sISO: 200Flash fired: no Common Tern (Sterna hirundo) on the Kingston Jetty in Georgetown, Guyana. Taken: 3 April, 2014Camera: Canon EOS 6DFocal length: 300mmAperture: ƒ/7.1Shutter speed: 1/2500sISO: 800Flash fired: no Common Tern (Sterna hirundo) flying over the Kingston Jetty, Georgetown. Taken: 27 September, 2013Camera: Canon EOS 6DFocal length: 300mmAperture: ƒ/8Shutter speed: 1/1600sISO: 250Flash fired: no