a close-up portrait of a chimpanzee looking to the side with a thoughtful expression

chimpanzee ape primate monkey animal wildlife portrait close-up fur black dark eyes ear expression thoughtful looking away nature zoo wild mammal fauna background blurred outdoors conservation endangered anthropoid great hominid intelligent curious captivating photographic face pensive white monochrome chimp behavior intelligence captive captured background chimpanzee#39aph39#s create sense intrigue large expressive prominent ears add