Animal-made art of the humans, and copyrights can only be held by legal persons—which an animal is not. The question of ownership of copyright for photographs created by animals was tested in the monkey selfie case, in mid-2014. Equipment owned by nature photographer David Slater was used by a Celebes crested macaque in Tangkoko Nature Reserve in Indonesia to take a series of self-portraits. Slater claimed copyright over the image, arguing that he had set up the situation. Other individuals and organizations, however, argued that the photographs, as the work of a non-human animal (and thus not the work of a legal
Celebes crested macaque Paignton Zoo are among a number of mostly European zoos which hold "ex-situ" breeding populations of this animal. Since 2006, the "Macaca Nigra Project" has been studying the biology and promoting the conservation of this species. The project, a collaboration between the German Primate Center and the Bogor Agricultural Institute, is run by Antje Engelhardt and located in the Tangkoko reserve, home of the biggest crested macaque population remaining in the species' original distribution range. Nevertheless, despite being critically endangered, crested black macaque are still being hunted down and slaughtered. Crested black macaque is considered a delicacy by local residents.