This is a full frame image of a black egret at Marievale, a bird sanctuary close to Johannesburg. These guys "fish" for their food by wading in shallow water and making a sort of umbrella with their wings to create a shadow area under which young fish fingers would like to hide, with dire results:)
I did clone out some intruding feathers and matter on the water just below the perch as well as a small intruding stick on the right in PS. The image has a capture USM (200/0.3/3), a small S-curve and smart sharpening (50/0.3/lens blur)
Stats
Date and time 008:02:24 06:32:08
Camera 1D MIII
Lens 600mm f4 IS
Tv 1/640,
Av f/8
ISO 400 at -1/3
I think you handled it all very well here Geurt, even the composition is fine with me. The only possible nit would be the slight shadow on the back of the egret.