Squirrel monkey on a wooden ledge in a natural setting, looking curious at London Zoo, London, England, United Kingdom, Europe

Red bald-headed Uakari monkey also known as British Monkey (Cacajao calvus rubicundus), Amazon state, Brazil, South America

Red bald-headed Uakari monkey also known as British Monkey (Cacajao calvus rubicundus), Amazon state, Brazil, South America

Barbary macaque, Gibraltar, British Overseas Territory, Europe

Snow monkey (Macaca fuscata) group with baby cuddling together in the cold, Japanese macaque, captive, Highland Wildlife Park, Kingussie, Scotland, United Kingdom, Europe

Snow monkey (Macaca fuscata), Japanese macaque, captive, Highland Wildlife Park, Kingussie, Scotland, United Kingdom, Europe

Snow monkeys (Macaca fuscata) huddling together for warmth, Japanese macaque, captive, Highland Wildlife Park, Kingussie, Scotland, United Kingdom, Europe

Geoffroys marmoset. Callithrix geoffroyi. captive adults. Newquay zoo Cornwall UK. More info: status: least concern but numbers declining due to habitat destruction, pet trade, zoos, biomedical research and persecution.

Traffic sign warns of Barbary Apes on the road, drive slowly, Rock of Gibraltar, Overseas Territory, United Kingdom, Europe