Yellow-rumped Cacique (Cacicus cela) perched at a colony near Hauraruni Creek, Soesdyke/Linden Highway, Guyana. Taken: 5 January, 2015Camera: Canon EOS 7D Mark IIFocal length: 700mmAperture: ƒ/5.6Shutter speed: 1/2000sISO: 800Flash fired: no Yellow-rumped Cacique (Cacicus cela) perched at a colony near Hauraruni Creek, Soesdyke/Linden Highway, Guyana. Taken: 5 January, 2015Camera: Canon EOS 7D Mark IIFocal length: 700mmAperture: ƒ/7.1Shutter speed: 1/800sISO: 800Flash fired: no