Outside Cartagena Columbia I spotted a group of Cotton Top Tamarins playing in the trees. This one stopped mid-play and did his best Robert De Niro..."You Looking at Me?"

Camera: Nikon D610
Lens: Nikkor 200-500mm
Focal Length: 500mm
Exposure: 1/250 @ f/9
ISO:640
Tripod: Mefoto Roadtrip