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
Barbary macaque he should mate. This is further supported by the fact that male ejaculation peaks at the same time that female sexual swelling peaks. There is not a sufficient change in female sexual behaviour around the time of ovulation in order to demonstrate to the male that the female is fertile. The swellings, therefore, appear necessary for predicting fertility. Barbary macaque females differ from other non-human primates in that they often mate with a majority of the males in their social group. While females are active in choosing sexual associations, the mating behaviour of macaque social groups is not entirely determined