Order : Primates
The word Primate comes from the latin "primas" which stands for "one of the first" or "excellent, noble". This table from Wikipedia shows the high difference in weight between sexes for Old world monkeys and a low difference for New world monkeys. The difference between old world monkey and new world monkeys is, besides their range, the structure of the nose and their dental structure. Old world monkey exist in Africa and Asia and New world monkeys are found in Central and South America. Also in the order of primates are the Apes, including gibbons and the great Apes (humans, gorillas, chimpanzees, orangutans).
|Gorilla ||105 kg (231 lb)||205 kg (452 lb)|
|Human ||62.5 kg (137.5 lb)||78.4 kg (172 lb)|
|Patas monkey ||5.5 kg (12 lb)||10 kg (22 lb)|
|Proboscis Monkey ||9 kg (20 lb)||19 kg (42 lb)|
|Pygmy Marmoset ||120 g (4.2 oz)||140 g (5 oz)|