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2008-07-10 08:20:00

Large-brained simians of the New and Old Worlds independently arose from smaller-brained ancestors After taking a fresh look at an old fossil, John Flynn, Frick Curator of Paleontology at the American Museum of Natural History, and colleagues determined that the brains of the ancestors of modern Neotropical primates were as small as those of their early fossil simian counterparts in the Old World. This means one of the hallmarks of primate biology, increased brain size, arose independently in...

2008-07-03 18:00:17

By BETH REESE CRAVEY There's been some monkey business going on in Clay County, specifically in OakLeaf Plantation's Eagle Landing subdivision. A primate has been sighted there several times, and the Florida Fish and Wildlife Commission is seeking the public's help in finding it. The monkey, believed to be a Japanese or snow macaque, has been seen on Castle Oaks Court. State investigators received photos of the animal recently, according to Fish and Wildlife. "Do not attempt to capture...

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2008-05-19 00:25:00

Scientists at Emory University have genetically engineered monkeys to have Huntington's disease in hopes of gaining a better understanding of the fatal, hereditary ailment to develop possible new treatments.The researchers, from Emory University's Yerkes National Primate Research Center in Atlanta, said the monkeys are the first primates to be genetically modified. Describing their work, they said one of two surviving rhesus macaque monkeys engineered to have the defective gene that causes...

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2008-05-17 01:10:00

Smaller primates expend no more energy climbing than they do walking, Duke University researchers have found. This surprising discovery may explain the evolutionary edge that encouraged the tiny ancestors of modern humans, apes and monkeys to climb into the trees about 65 million years ago and stay there. The researchers compared the energy consumed by five different primate species while negotiating vertical and horizontal treadmills. Their work appears in the May 16 issue of the journal...

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2008-05-15 09:44:00

Studies with non-human primates have made major contributions to our understanding of the brain and will continue to be an important, if small, part of neuroscience research, according to a recent review published in the British medical journal, The Lancet.Authors John P. Capitanio, professor of psychology at UC Davis and associate director of the California National Primate Research Center, and Professor Marina E. Emborg at the University of Wisconsin-Madison and the Wisconsin National...

2008-04-15 16:45:00

A group of almost 25 monkeys in the British colony of Gibraltar are expected to be killed due to the potential threat they pose to humans in the area, according to The Rock's tourist minister. "The decision was not taken lightly," said Ernest Britto, Gibraltar's Tourist Minister. "It is a last resort." Monkeys and macaques have coexisted with residents in the area for quite some time. The monkeys have become a national symbol for Gibraltar, but one pack became unruly in the tourism hotspots...

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2008-04-07 10:45:00

Having a lower social standing increases the likelihood that a monkey faced with a stressful situation will choose cocaine over food, according to a study at Wake Forest University School of Medicine. More dominant monkeys undergoing the same stressful situation had fewer changes in brain activity in areas of the brain involved in stress and anxiety and were less likely to choose cocaine. Robert Warren Gould, a graduate student in the laboratory of Michael A. Nader, Ph.D., presented the study...

2007-12-18 19:22:34

DURHAM, N.C. (AP) - Researchers at Duke University have demonstrated that monkeys have the ability to perform mental addition, and that they performed about as well as college students given the same test. Current evidence has shown that both humans and animals have the ability to mentally represent and compare numbers. For instance, animals, infants and adults can discriminate between four objects and eight objects. However, until now it was unclear whether animals could perform mental...

2007-09-06 15:20:00

CAMBRIDGE -- When trying to understand someone's intentions, non-human primates expect others to act rationally by performing the most appropriate action allowed by the environment, according to a new study by researchers at Harvard University. The findings appear in the Sept. 7 issue of the journal of Science. The work was led by Justin Wood, a graduate student in the Department of Psychology in the Faculty of Arts and Sciences at Harvard, with David Glynn, a research assistant, and...

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2007-07-16 11:38:10

Monkey viruses related to HIV may have swept across Africa more recently than previously thought, according to new research from The University of Arizona in Tucson. A new family tree for African green monkeys shows that an HIV-like virus, simian immunodeficiency virus, or SIV, first infected those monkeys after the lineage split into four species. The new research reveals the split happened about 3 million years ago. Previously, scientists thought SIV infected an ancestor of green monkeys...


Latest Monkey Reference Libraries

Peruvian Spider Monkey, Ateles chamek
2014-04-28 10:03:07

The Peruvian Spider Monkey (Ateles chamek), known also as the Black-Faced Black Spider Monkey, is a species of spider monkey that resides not only in Peru, but also in Bolivia and Brazil. At 2 feet long, they are rather large among the species of monkey, and their strong, prehensile tails can be up to 3 feet long. Unlike many other species of monkey, they have only a vestigial thumb, an adaptation which enables them to travel utilizing brachiation. The Peruvian Spider Monkeys live in groups...

Brown Spider Monkey, Ateles hybridus
2014-04-28 09:58:59

Brown Spider Monkeys have long and thin limbs with their forelimbs being longer than their hind limbs. They also have a distinctive 75 centimeter long flexible and thin prehensile tail which at times acts like a fifth limb. The tip is hairless with ridged skin for better grip. All of these features of their body make it possible for them to climb trees and high elevations, hang and swing from one tree to another without having to lower themselves to the ground frequently. Their hands are...

Northern Muriqui, Brachyteles hypoxanthus
2014-04-17 13:48:56

The Northern Muriqui (Brachyteles hypoxanthus) is an endangered muriqui, meaning woolly spider monkey, species that is endemic to Brazil. It is rare among primates in that it shows egaliterian social relationships. It can be found in the Atlantic forest region of the Brazilian states of Espirito Santo, Minas Gerais, Bahia, and Rio de Janeiro. Muriquis are the biggest species of New World monkeys. The northern muriqui can grow up to 4.3 feet tall. This species feeds mostly on leaves and twigs,...

Panamanian Night Monkey, Aotus zonalis
2014-04-11 13:07:14

The Panamanian night monkey (Aotus zonalis), also known as the Chocoan night monkey, is a species of night monkey that can be found in Panama and Chocó in Colombia and it is thought to be found in Costa Rica, although this cannot be confirmed. This species prefers to reside many habitats including coffee plantations and secondary forests. Although it is classified as a distinct species, it is thought that this monkey may be a subspecies of the gray-bellied night monkey. The Panamanian...

White-headed Capuchin, Cebus capucinus
2012-07-13 14:39:09

The white-headed Capuchin (Cebus capucinus) is a New World monkey that is native to Central America, as well as the far northwestern area of South America. It is also known as the white-faced capuchin and the white-throated capuchin. Its Central American range includes Honduras, Costa Rica, Nicaragua, and Panama. Reports have shown that it may occur in southern Belize and eastern Guatemala, but these reports have not been confirmed. Its South American range is limited to the northwestern area...

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Word of the Day
vermicular
  • Like a worm in form or movement; vermiform; tortuous or sinuous; also, writhing or wriggling.
  • Like the track or trace of a worm; appearing as if worm-eaten; vermiculate.
  • Marked with fine, close-set, wavy or tortuous lines of color; vermiculated.
  • A form of rusticated masonry which is so wrought as to appear thickly indented with worm-tracks.
This word ultimately comes from the Latin 'vermis,' worm.
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