A monkey is a long-tailed, medium-sized member of the order of Primates. The primate order also includes macaques, baboons, guenons, capuchins, marmosets, and tamarins. Monkeys today are a member of two of the three groups of simian primates, the New World monkeys and the Old World monkeys, of which there are 264 known species. Apes and chimpanzees are not scientifically classified as monkeys, a common misconception due to their physical similarities. Some distinguishing features between New World and Old World monkeys include the tail. Most New World monkeys have prehensile tails while Old World monkeys do not. The facial features of each group of monkeys also differ substantially; however, there are a number of shared features as well. Monkeys are a very diverse family of species, ranging in size from the 5-6 inch Pygmy Marmoset, to the adult male Mandrill, which can be 3 feet tall. Some monkeys spend the majority if their lives in treetops, while others call savannas and grasslands home. Most monkeys survive of a diet of fruit, leaves, nuts, berries, eggs, insects and they occasionally hunt other smaller animals.
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Easy As Pi! Monkeys Can Do Math
monkey does symbolic reasoning
April 21st, 2014
Monkeys can use symbols to add, which sheds light on the evolutionary origins of math, researchers say.
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Touch Screens Help Monkeys Relax (Op-Ed)
Monkey at touch screen
November 12th, 2013
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Hippie Chimps: New Clue May Explain Bonobo Peacefulness
A bonobo in a sanctuary.
December 19th, 2013
Bonobos have a reputation among the great apes as "hippie chimps," and new research hints that hormones may be a key element in keeping the animals' aggression in check.
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Group Seeks Personhood for Captive Chimpanzees
Chimp mom and baby
December 3rd, 2013
In a series of lawsuits, a rights group is asking a judge this week to free four chimpanzees held in captivity in New York. And if they're successful, it could mark the first time chimps are recognized not as property, but legal persons under U.S. law.
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Ape Aptitude: Chimps & Orangutans May Recall Older Memories
Chimps playing together
July 18th, 2013
Chimpanzees and orangutans may remember events from the distant past, as humans do, a new study suggests. Researchers tested the animals years after they had observed tools being hidden, and found the animals still remembered where the tools were.
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One Chimpanzee's Life is a Testament to Humanity (Op-Ed)
Kitty the Chimp eating a carrot
December 12th, 2013
Kitty the chimp spent a life in laboratories, but left the world in a sanctuary and at peace.
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Bonobos Face Shrinking Habitat in Africa
A bonobo in a sanctuary.
November 27th, 2013
Bonobos, among humans' closest living relatives, are losing ground to people in their natural habitat, a new analysis suggests. Nest counts and remote sensing imagery show that just over a quarter of the apes' range remains suitable.
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Tiny, Strange Primate Fossil Unearthed in Coal Mine
teeth from krabia minuta
October 1st, 2013
A tiny primate fossil discovered in Asia could shed light on the period when ancient human ancestors migrated from Asia to Africa, researchers say.
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