Double-striped Thick-knee (Burhinus bistriatus) in a field near Karanambu Lodge, Guyana. Taken: 27 April, 2019Camera: Canon EOS 7D Mark IIFocal length: 500mmAperture: ƒ/5.6Shutter speed: 1/2000sISO: 800Flash fired: no Double-striped Thick-knee (Burhinus bistriatus) in a field near Karanambu Lodge, Guyana. Taken: 27 April, 2019Camera: Canon EOS 7D Mark IIFocal length: 500mmAperture: ƒ/5.6Shutter speed: 1/1600sISO: 800Flash fired: no