Stock Photo - 1956 - Back on the ground the monkey inspects one of the nuts she has picked. The green casing has burst off but the hard shell has protected the white flesh and milk which are used for cooking fat, or dried into copra.Madame Monkey works for her living in Sumatra: As a coconut collector she earns a human worker's wage: Sumatra is an island full of monkey of all shapes, colours and sizes. The natives have long -ken advantage of this and train female captive monkeys to do a useful day's work for their keep. Best (the only in fact) job a monkey can do is to use his skill in climbing trees to pick the coconuts which are sold for their copra. Females only can be trained for this work as the male of the species is too fierce. Any morning early one sees in Sumtaran towns such as Padang or Bukit Tinggi, a native walking along with his monkey on a leash. He solicits custom from a householder and a bargain is struck for the use of his monkey to fetch the coconuts down for the owner to sell. The monkey has to be trained for the work when young and will live and work for many years. usual fee is one Rupiah (one-tenth of a workman's daily wage) for a tree. Thus the monkey can earn a normal workers wage for her master. (Credit Image: © Keystone Pictures USA/ZUMAPRESS.com)