Ingo Arndt / Red bald headed uakari {Cacajao calvus ucayalii} Rio Yavari, Amazonia, Peru FOR SALE IN UK ONLY

Ingo Arndt / Red bald headed uakari {Cacajao calvus ucayalii} in tree, Rio Yavari, Amazonia, Peru

Ingo Arndt / Red bald headed uakari {Cacajao calvus ucayalii} leaping from tree canopy, Rio Yavari, Amazonia, Peru

Ingo Arndt / Close up of face of Red bald headed uakari {Cacajao calvus ucayalii} Rio Yavari, Amazonia, Peru FOR SALE IN UK ONLY

Christophe Courteau / Red Uakari Monkey {Cacajao rubicundus} jumping from branch to branch. Mamiraua Wildlife Reserve. Amazonia, Brazil

Juan Manuel Borrero / White bald-headed uakari (Cacajao calvus) head portrait. Amazon basin. Iquitos. Loreto. Peru, Captive

Mark Bowler / Peruvian red uakari monkey (Cacajao calvus ucayalii) eating aguaje palm fruits (Mauritia flexuosa) Yavari River, Peru, vulnerable species, wild

Claus Meyer / Red Uakari (Cacajao rubicundus) male feeding on fruit, Amazon ecosystem, Brazil

Staffan Widstrand / Black-headed uakari monkey {Cacajao melanocephalus} on branch. Manaus, Brazil.

Pete Oxford / Red uakari monkey in tree Amazon rainforest, Brazil, South America

Ingo Arndt / Man with pet young Uakari monkey sitting on his shoulder, Rio Yavari, Amazonia, Peru FOR SALE IN UK ONLY

Ingo Arndt / Red bald headed uakari {Cacajao calvus ucayalii} in tree, Rio Yavari, Amazonia, Peru FOR SALE IN UK ONLY