Blue-tailed Emerald (Chlorostilbon mellisugus) perched on a branch at Camp Kabouyak, Guyana. Taken: 13 March, 2016Camera: Canon EOS 7D Mark IIFocal length: 700mmAperture: ƒ/8Shutter speed: 1/250sISO: 640Flash fired: yes Blue-tailed Emerald (Chlorostilbon mellisugus) perched on a branch at Camp Kabouyak, Guyana. Taken: 13 March, 2016Camera: Canon EOS 7D Mark IIFocal length: 700mmAperture: ƒ/7.1Shutter speed: 1/250sISO: 800Flash fired: yes