Long-tailed Potoo (Nyctibius aethereus) perched on the Harpy Eagle trail near Surama, Guyana.

Taken: 31 January, 2016Camera: Canon EOS 7D Mark IIFocal length: 500mmAperture: ƒ/5.6Shutter speed: 1/200sISO: 2000Flash fired: no

Long-tailed Potoo (Nyctibius aethereus) perched on the Harpy Eagle trail near Surama, Guyana.

Taken: 31 January, 2016Camera: Canon EOS 7D Mark IIFocal length: 500mmAperture: ƒ/8Shutter speed: 1/80sISO: 1600Flash fired: no

Long-tailed Potoo (Nyctibius aethereus) perched on the Harpy Eagle trail near Surama, Guyana.

Taken: 31 January, 2016Camera: Canon EOS 7D Mark IIFocal length: 500mmAperture: ƒ/5.6Shutter speed: 1/60sISO: 800Flash fired: no

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