• Aperture: ƒ/6.3
• Camera: NIKON D3S
• Taken: 8 December, 2011 10:34
• Focal length: 500mm
• ISO: 1250
• Shutter speed: 1/200 s

The scientific name has several English names attached to it: Red Titi and Dusky Titi, the latter used in the “Napo Wildlife Center’s fauna” booklet.

This monkey has an extraordinary morning call – here are two individuals calling (courtesy of Primate Info Net and Di Fiore & Fernandez-Duque):

• Aperture: ƒ/6.3
• Camera: NIKON D3S
• ISO: 1250