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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...

2008-04-19 05:18:30

Brains are good for more than acing exams. Turns out, nerdy noggins also help primates like us live longer, anthropologists say. Scientists have long pondered the reason for humans' and other primates' relatively hefty heads. Elephants boast the biggest brains  by volume of all land animals, but relative to body size, humans hold the brain-size record. "There's got to be a benefit to this big brain, because big brains are really expensive to grow and maintain, energetically...

2008-04-10 16:22:37

Loads of freakish animals, from fingertip-size chameleons to bug-eyed lemurs, crowd the island of Madagascar. Now researchers have combed the island's nooks and crannies to create a map of critical animal hideouts in need of protection. The map is part of a new plan to expand the current reserve areas, boosting the number of species protected within them from some 70 percent to 100 percent, the researchers say. The plan is based on a new computer model designed to spot regions...

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2008-03-19 18:10:00

Analysis of the first hand bones belonging to an ancient lemur has revealed a mysterious joint structure that has scientists puzzled.Pierre Lemelin, an assistant professor of anatomy at the University of Alberta in Edmonton, Canada, and a team of fellow American researchers have analyzed the first hand bones ever found of Hadropithecus stenognathus, a lemur that lived 2,000 years ago. The bones were discovered in 2003 in a cave in southeastern Madagascar, an island nation off the coast of...

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2008-02-25 16:45:00

After swabbing the cheeks of more than 200 lemurs and related primates to collect their DNA, researchers at the Duke Institute for Genome Sciences & Policy (IGSP) and Duke Lemur Center now have a much clearer picture of their evolutionary family tree.Found in nature only on the island nation of Madagascar, off Africa's southeastern coast, lemurs and their close relatives the lorises represent the sister lineage to all other primates. And that makes lemurs key to understanding what...

2007-12-21 09:00:22

By Karl A. Van Assel World Features Syndicate Unexpected animals that hibernate 1. Fat-tailed dwarf lemurs 2. Ladybugs 3. Poorwills 4. Desert tortoises 5. Marmots 6. Some spiders 7. Some butterfly species 8. Some bats (c) 2007 Deseret News (Salt Lake City). Provided by ProQuest Information and Learning. All rights Reserved.

2007-04-26 06:00:22

Steve Goodman, Madagascar's most intrepid field biologist, has nearly a dozen species of insects, animals and plants named after him. In some cases that's because his colleagues admire him. In others, it's because they plucked the creatures off him. Years ago, Goodman was sleeping in a remote cave frequented by Nubian ibexes _ a species of antelope _ in Sudan and picked up an infestation of ticks. Back in Cairo, a scientist friend handed him a vial and instructions to ease the parasites off...

346f44fc10e7865284c8f027ef80679e1
2007-01-23 16:04:18

New Haven, Conn. -- The origins and earliest branches of primate evolution are clearer and more ancient by 10 million years than previous studies estimated, according to a study featured on the cover of the Jan. 23 print edition of the Proceedings of the National Academy of Sciences. The paper by researchers at Yale, the University of Winnipeg, Stony Brook University, and led by University of Florida paleontologist Jonathan Bloch reconstructs the base of the primate family tree by comparing...

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2007-01-16 12:00:00

By RAPHAEL G. SATTER LONDON - It isn't often that the northern hairy-nosed wombat, the finger-sized slender loris, and the mountain pygmy possum share the spotlight. But these odd creatures are the focus of a conservation program launched Tuesday to safeguard some of the world's rarest mammals. The Zoological Society of London's program highlights 100 species selected because of the peculiarity of their genetic backgrounds and the degree of danger they face. The species' lack of close...

2006-07-20 16:03:51

WASHINGTON (Reuters) - Snakes may make people jump for a good reason -- human close-up vision may have evolved specifically to spot the reptiles, researchers reported on Thursday. Humans, monkeys and other primates have good color vision, large brains, and use their vision to guide reaching and grasping. But while some scientists believe these characteristics evolved together as early primates used their hands and eyes to pick fruit and other foods, Lynne Isbell, a professor of...


Latest Prosimians Reference Libraries

Randrianasolo's Sportive Lemur, Lepilemur randrianasoloi
2012-08-08 09:32:17

Randrianasolo's sportive lemur (Lepilemur randrianasoloi) is also known as Bemaraha sportive lemur, and is native to western areas of Madagascar. The full extent of its range is not yet known, because this species is one of fifteen described in 2006, so more research is needed to define the boundaries of its range. It occurs in dry deciduous forests. Randrianasolo's sportive lemur can reach an average body length of up to 1.8 feet, including the tail. Because this lemur has only recently...

Sahamalaza Sportive Lemur, Lepilemur sahamalazensis
2012-08-08 09:26:25

The Sahamalaza sportive lemur (Lepilemur sahamalazensis) is native to the island of Madagascar, where its range is limited to the Sahamalaza Peninsula found in northwestern Madagascar. Because this area is a converging point for two types of habitats, including arid deciduous forests, this lemur resides in both primary and secondary forests. The Sahamalaza sportive lemur is a newly discovered species, along with 14 other members in the Lepilemur genus. Because of this, its taxonomic status...

Crowned Sifaka, Propithecus coronatus
2012-08-08 08:43:18

The crowned sifaka (Propithecus coronatus) is native to Madagascar, with a range that extends to the Mahavavy River in the southwest. The northeastern border of this range is the Betsiboka River. It has been reported that the crowned sifaka occurs in south and southeast Madagascar, which may broaden its range. It prefers to reside in arid deciduous forests in western Madagascar. The crowned sifaka can reach an average body length of 3.3 feet, with a tail length between 1.5 and 1.8 feet....

Aye-aye, Daubentonia madagascariensis
2012-08-03 15:38:35

The aye-aye (Daubentonia madagascariensis) is a species of lemur that is native only to the island of Madagascar. This species is the only remaining member in the Daubentonia genus. Its range is slightly fragmented in some areas. It derives its scientific name from Louis-Jean-Marie Daubenton, a French naturalist, and from the island on which it was first discovered. Aye-ayes prefer a habitat within deciduous forests or rainforests, with most occurring in rainforests, but can inhabit...

Weasel Sportive Lemur, Lepilemur mustelinus
2012-08-02 20:43:55

The weasel sportive lemur (Lepilemur mustelinus) is native to the island of Madagascar. Its other common names include the weasel lemur, the greater weasel lemur, and the greater sportive lemur. It prefers a habitat within rainforests or tropical rainforests. Its fur is red-brown on the back and grey-brown on the underbelly. It can reach an average body length of up to fourteen inches with a tail length of between ten to twelve inches. Groups of this species are small, consisting of a...

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Word of the Day
Cthulhu
  • A gigantic fictional humanoid alien god being described with a head resembling an octopus and dragon wings and claws, around whom an insane cult developed.
  • Pertaining to the mythos of Cthulhu and additional otherworldly beings created by H. P. Lovecraft or inspired by his writings and imitators.
This word was invented in 1926 by H.P. Lovecraft for his short story, 'The Call of Cthulhu.' 'Cthulhu' may be based on the word 'chthonic,' which in Greek mythology refers to the underworld.
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