Boat-billed Flycatcher. Botanical Gardens, Georgetown. Taken: 26 August, 2017Camera: Canon EOS 7D Mark IIFocal length: 500mmAperture: ƒ/6.3Shutter speed: 1/800sISO: 800Flash fired: no The Boat-billed Flycatcher (Megarynchus pitangua). The massive black bill is the best distinction from the similar Great Kiskadee, which also has more rufous tail and wings, and lacks the olive tone to the upperparts. Taken: 17 June, 2013Camera: Canon EOS 6DFocal length: 600mmAperture: ƒ/8Shutter speed: 1/640sISO: 800Flash fired: no