Critique Please

[Bulldog_rsa]

Shot using Sigma 170-500 Lens from the back of a game viewing vehicle using Manfrotto Monopod.

What do you think?
http://i.pbase.com/v3/87/534787/1/45818607.IMG_0232.JPG (http://www.pbase.com/bulldog_rsa/madikwe_mooifonten_36_july)

[Hellashot]

Nice. Shadows seem fine, but the highlights could be darkened a little. That head seems big. It have a big head or are you just zoomed in that far? Maybe zooming out a little to show its body some.

[tim]

Very nice! Perhaps a little over-sharpened.

[PhotosGuy]

I like it. Maybe clone out the grass over his mouth. (Unless you're a purist?) ;-)