Humboldt's Night Monkey, the red-necked version. Also known as an owl monkey due to nocturnal habits. Found through much of the western Amazon basin, photo from Sacha Lodge Resort, eastern Ecuador. In context at www.dixpix.ca/Amazon/fauna/primates/index.html
Tufted Capuchin or Brown Capuchin (Sapajus apella) in captivity at the Monkeyland Primate Sanctuary near Knysna, Western Cape, South Africa. Photographed on 19 June 2012.Native of South America. The Monkeyland Primate Sanctuary is a rescue organisation.www.inaturalist.org/observations/52625329