Incredible image! Chimps in the wild usually are portrayed as docile and huggable, you've managed to capture a more realistic scenario. As the facial features are so compelling, I would either crop out or tone down the background for a more initimate portrait.
Lovely. With those dentures, one can inflict enough damage if required. The cooperative hunting behaviour often recorded gives an idea about their level of intelligence. Without the branch or root at the background, it would have been really good.
Thanks for the comments, dentistry is clearly something that Chimps have not yet mastered. They certainly brutes one old male pushed me off a path not something I wish to repeat:D
I would like to go there again, but those hills are mighty steep for me.