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Topic: Naked Mole Rat


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In the News (Tue 15 Dec 09)

  
  Nuts and Bolts of Naked Mole-Rat Longevity
While we're on the subject of oxidative stress, here's a paper looking at just how resistant naked mole-rats are to oxidative damage.
"The naked mole-rat (NMR; Heterocephalus glaber) is the longest-living rodent known (maximum lifespan potential [MLSP]: >28 years) and a unique model of successful aging showing attenuated declines in most physiological function.
As for several other species of mammal, the mole-rats indicate there is great room for improvement in the human model.
www.longevitymeme.org /news/view_news_item.cfm?news_id=3126   (444 words)

  
  Naked Mole Rat - Wikipedia, the free encyclopedia
The Naked Mole Rat (Heterocephalus glaber), also known as the Sand Puppy, or desert mole rat, is a very unusual burrowing rodent native to parts of East Africa, predominately South Ethiopia, Kenya, and Somalia.
The naked mole rat is also unique among mammals as it is cold-blooded; it cannot regulate its body temperature at all and requires an environment with a specific constant temperature in order to survive.
The skin of naked mole rats lacks a key neurotransmitter called Substance P that is responsible in mammals for sending pain signals to the central nervous system.
en.wikipedia.org /wiki/Naked_mole_rat   (534 words)

  
 Naked Mole-rat   (Site not responding. Last check: )
Naked mole-rats are found in arid regions of central and eastern Ethiopia, central Somalia, and Kenya.
Naked mole-rats are active early in the morning and in the late afternoon to avoid extreme temperatures near the surface.
Naked mole-rats live in well-organized colonies, with up to 100 members in a group, but 20 to 30 is normal.
www.letus.org /bmatters/animals/mole-rat.html   (719 words)

  
 C&EN: CRITTER CHEMISTRY - NAKED MOLE-RATS
Thomas J. Park, associate professor of biological sciences at UIC and principal investigator, knew from previous studies that naked mole-rats orient themselves quite well by touch, perhaps as a replacement for vision and hearing--senses not necessary in their native subterranean environment.
To test naked mole-rats' sensitivity to painful stimuli, the team used a heat lamp with a slide projector bulb as a heat source.
Naked mole-rats live in colonies consisting of a breeding queen and many workers, much like the colonies of bees, ants, and wasps.
pubs.acs.org /cen/critter/8202molerats.html   (867 words)

  
 Naked mole-rats   (Site not responding. Last check: )
The eusocial naked mole-rat is the mammalian equivalent of a social insect (click here for picture of naked mole-rats).
It is thought that eusociality has evolved in naked mole-rats in response to constraints imposed by the rainfall pattern of their environment.
However, genetic studies of the naked mole-rat suggest that the costs of altruism to non-breeders are offset by inclusive fitness benefits, resulting from a high degree of intra-colony genetic relatedness.
www.qmw.ac.uk /~ugbt991/CGFNMR.htm   (532 words)

  
 Cornell News : Mole-rat Mammaries
The breeding female 'queen'in an insect-like colony of naked mole-rats frequently produces litters of 20 pups at a time, and one had more than 900 in her 12-year lifetime.
One naked mole-rat queen, as the breeding females are called, produced more than 900 pups in her 12-year lifetime at a laboratory colony.
Naked mole-rats are the exception to biologists' one-half rule, which describes the fact that mammals have half as many babies, on average, as they have mammary glands.
www.news.cornell.edu /releases/Aug99/rat_mamm.hrs.html   (1252 words)

  
 Naked mole rat
Almost hairless, except for whiskers, so appearing yellowish or pinkish in colour, depending on how hot or cold the mole rat is. The skin is wrinkly, the eyes are so small as to be almost useless and the front incisor teeth are enormous and stick out of the front of the mouth.
All the other mole rats behave as helpers, devoting their lives to digging and collecting food that is brought back to the central nest through the tunnel system, to feed the others and the babies.
Other species of mole rat that live more solitary lives communicate with neighbours by banging their heads on the roof of their tunnels.
www.bristolzoo.org.uk /learning/animals/mammals/mole-rat   (443 words)

  
 sh: Incredible Creatures - Brooke Bond
As its name suggests - the naked mole rat has no hairs at all - making it one of the ugliest animals in the world.
It is not really a mole at all - but instead is related to rats and mice and has similar prominent teeth for gnawing.
Naked mole rats live in East Africa - but are very rarely seen.
www.whom.co.uk /squelch/incred_creatures.htm   (3895 words)

  
 Naked Mole Rat Skull
Naked Mole Rat - The naked mole rat is native to parts of Kenya, Somalia and Ethiopia.
Due to their subterranean lifestyle, naked mole rats are nearly blind but possess acute senses of hearing and smell.
Unlike most mammals, naked moles rats are 'cold-blooded" or ectothermic, meaning that they are unable to regulate their own body temperature and rely entirely on the surrounding soil and air temperature for warmth.
www.skullsunlimited.com /naked-mole-rat-skull.html   (128 words)

  
 BBC - Science & Nature - Wildfacts - Naked mole-rat
There are whiskers and sensitive guard hairs scattered over the otherwise naked body.
Naked mole-rats (like Damaraland mole-rats) live in social colonies of about 80 individuals (occasionally up to 300) underground, digging tunnels to find roots and tubers.
The naked and Damaraland mole-rats are the only known eusocial mammals, behaving like social insects by living in a colony with a single breeding female and related, reproductively suppressed, workers and soldiers.
www.bbc.co.uk /nature/wildfacts/factfiles/614.shtml   (379 words)

  
 Naked Mole Rat :: Saint Louis Zoo
These are just a few things that make naked mole rats among the most fascinating animals in the world.
Naked mole rats have very little hair, except on their mouths (where bristly hairs keep dirt out as they chew and dig tunnels.) They are wrinkled and pink, with whiskers and four large incisors.
Mole rats live in large underground colonies, from 20 to 300 individuals, in the semi-arid regions of Ethiopia, Somalia and Kenya.
stlzoo.org /animals/abouttheanimals/mammals/rodents/nakedmolerat.htm   (409 words)

  
 afarensis: Anthropology, Evolution and Science: Friday Naked Mole Rat Blogging
Naked mole have a pretty distinctive social structure - which in some ways is similar to that found in social insects.
In one room, a plant root protrudes to provide a meal; in another is the "potty." When a new hallway is needed, usually for new food supplies, the naked mole-rat siblings form an earth moving chain to pass dirt out a hole which later is covered to block out intruders.
Apparently, this is a really good case of altuistic social behavior in mammals, where some mole rats give up reproduction and help related mole rats care for the young.
mcdougald.blogspot.com /2005/08/friday-naked-mole-rat-blogging.html   (1243 words)

  
 Naked Mole-Rat Software
Freak naked critters that live beneath the deserts of east Africa, total flukes of nature that are uniquely adapted to an improbable life.
Naked mole-rats live most of their lives without ever seeing the sun, winding through their colony maze of tunnels as they scurry about performing the tasks of the collective.
Naked Mole-Rat Scientific Data, including links to related species of mole rats, blesmols, and rats (the Bathyergidae Family).
www.nakedmolerat.com   (482 words)

  
 Naked Mole-Rat Printout- EnchantedLearning.com
Naked Mole-Rats (Heterocephalus glaber) are almost hairless rodents that live in burrows and tunnels in semi-arid, grassy regions of Africa.
Anatomy: Naked Mole-Rats are about 3 inches (7 cm) long; they weigh 1 to 2.4 ounces (30 to 70 grams).
Nake Mole-Rats have a life span of 10 to 30 years.
www.enchantedlearning.com /subjects/mammals/rodent/Nakedmolerat.shtml   (241 words)

  
 Rubber naked mole rat search
I was checking out the naked mole rat cam (only to get the url to link to it for the 800th time; I swear I don't spend my Friday nights watching naked mole rats scurry about in Windows Media; please, you really, really have to take my word on this).
Right now all the other little naked mole rats are freaking out, running up and nudging and pushing and climbing over the dead one, trying to get it to move.
I bought a naked mole rat just like yours at the St. Louis Zoo years ago and have used it as a prop in my class room and taken it on trips when I visited other counties.
starsandgarters.blogs.com /rubber_naked_mole_rat_sea   (1626 words)

  
 naked mole rat on Encyclopedia.com   (Site not responding. Last check: )
NAKED MOLE RAT [naked mole rat] name applied to a species (Heterocephalus glaber) of small rodents found in E Africa, whose members—the only hairless rodents—live entirely in underground communities of 80 or more individuals with a structure resembling that of social-insect colonies.
Colony members are closely related and seem to work for the success of the whole community rather than individual survival.
Priestess poet blends science, spirituality into her work What's a naked mole rat got to do with it?
www.encyclopedia.com /html/n1/nakedmol.asp   (337 words)

  
 mole rat, naked
The mole rat is of importance to zoologists as one of the very few mammals that are eusocial, that is, living in colonies with sterile workers and one fertile female.
Its underground colonies comprise one breeding female and up to three breeding males in a colony of approximately 75 closely related animals, most being functionally sterile workers of either sex.
Tool use has been observed in naked mole rats by US researchers in 1998.
www.tiscali.co.uk /reference/encyclopaedia/hutchinson/m0033934.html   (182 words)

  
 Naked Mole Rats
when a mole rat digs at the periphery of the colony tunnel system and breaks through into an existing tunnel outside, the animal will be alarmed and will fight.
They have to time this, like the ants and termites do, presumably at the end of the rainy season when there’s lots of food and the soil is soft.
We know from some other mole rat species (South Africa) that they have dispersion morphs, which are bigger than the average animal.
www.michna.com /molerats.htm   (1115 words)

  
 Care2.com ecard: "Live-Picture!
Mysterious Naked Mole Rat cam!
updates every 2 minutes" by National Zoo
Naked Mole Rats are small rodents that live in underground tunnels in Eastern Africa (Ethiopia, Kenya, and Somalia).
Well, Naked Mole Rats are almost entirely hairless (though they have hair in their mouths), they dig tunnels up to 1.8 miles (3 km) long...with their teeth, and they are the only known mammals that live in colonies with a Queen (like honey bees and other social insects)!
If you see a photo but don't see any Naked Mole Rats, look closely, because its quite dark in the tunnel and they tend to blend in.
www.care2.com /ecards/build/1/608   (594 words)

  
 naked mole rat. The Columbia Encyclopedia, Sixth Edition. 2001-05
She has approximately ten pups per litter and about four litters per year.
The mole rats divide up the specialized chores, such as collecting food, disposing of waste, and digging tunnels.
Naked mole rats are classified as Phylum Chordata, subphylum Vertebrata, class Mammalia, order Rodentia.
www.bartleby.com /65/na/nakedmol.html   (182 words)

  
 Naked Mole Rat Queen
Naked mole-rats, surprisingly, are not much like their name suggests: they are not naked, they are not moles, and they are not rats.
Recently, the original naked mole-rat queen passed away at age 18---living much longer than the average lifespan of 13 years.
Like reptiles, naked mole-rats are not able to regulate their body temperature very well (they do not have much body fat, nor hair).
www.brookfieldzoo.org /pgpages/pagegen.26.aspx   (823 words)

  
 Press: Fast, Cheap & Out Of Control   (Site not responding. Last check: )
The movie begins by going from one person to the next with each explaining their obsession and how they got started, switching back and forth from the interview to footage of some aspect of their field of interest.
Soon you’re listening to the mole rat guy talking about some aspect of mole rat behavior while watching a bunch of graduate students observing a bunch of robots reacting with each other.
Two of the guys are fascinated with cutting edge science (although studying naked mole rats doesn’t jump to mind as whiz-bang science) and two are masters plying trades that are centuries old.
www.anchoragepress.com /archives/documenta622.html   (456 words)

  
 Moles and Naked Mole Rats
Some moles belong to the same family as shrews.
Moles spend their lives underground with a few seen at the surface occasionally.
Mole Rats live in underground colonies and behave much like ants or bees, cooperating as a group, and serving a queen.
berlinbear.com /wildmoles.html   (228 words)

  
 Majesty the Naked Mole Rat   (Site not responding. Last check: )
Majesty is one of the few naked mole rat furry characters.
Both Aa and I have stuffed naked mole rats that we got at the Oregon Zoo while there at a local furmeet.
As I was walking around the con, someone noticed the badge Vanessa had drawn me and knew the critter depicted was a naked mole rat (and queen no less!) so I commissioned a badge from her!
velvetdragon.com /char/majesty.html   (353 words)

  
 Animal Web Cams at the National Zoo - National Zoo| FONZ
Despite the fact that they burrow underground like moles, and have rat-like tails, naked mole-rats are more closely related to porcupines, chinchillas, and guinea pigs than to moles or rats.
This naked mole-rat colony lives at the Small Mammal House, where the mole-rats occupy a labyrinth of transparent tubes that mimics the underground tunnels and burrows in Africa where they live in total darkness virtually all their lives.
The web cam is focused on an intersection of two tunnels where there is often mole-rat traffic.
nationalzoo.si.edu /Animals/WebCams   (1687 words)

  
 Mole Naked Picture Rat
A mole naked picture rat can usually be found on farms and will have many babies.
These animals can be found in natural woodlands, neglected orchards, grasslands, parks and lawns, and sometimes even under portions of buildings.
These animals are present in those habitats where the soil is deep enough to allow tunneling.
www.gotsmallanimalsonline.com /mole/mole-naked-picture-rat/mole-naked-picture-rat.shtml   (161 words)

  
 Naked Mole Rat - Paw-Talk Pets Forum
The animal appears to be naked at first glance, but a few pale-colored hairs are scattered about the head and tail.
There's a new cartoon on Disney called Kim Possible - one of the characters has a Naked Mole Rat named Rufus as a pet!!!
They seemed to be very, uh, content, I guess as naked rats go.
www.paw-talk.net /forums/showthread.php?t=3246   (348 words)

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