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  1. #1
    Jenna's Avatar
    Jenna is offline sheep
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    Talking Scientists find 2,000 pound rodent - luckily it's a fossil

    Scientists in Uruguay have found the fossil remains of a 2,000 pound rodent that lived 2 million to 4 million years ago -- the largest rodent ever found.
    The giant creature probably ate soft food such as fruit or tender plants, Andres Rinderknecht and Ernesto Blanco of the National Museum of Natural History in Montevideo reported on Wednesday.
    "We report the discovery of an exceptionally well preserved fossil skull of a new species of rodent, by far the largest ever recorded," they wrote in a report in Britain's Proceedings of the Royal Society.
    "Rodents are a very successful group of mammals living almost worldwide and with small body masses (generally less than 1 kg or 2.2 pounds)," they wrote.
    "However, our work suggests that 4 million years ago in South America, rodents with 1,000 kg (2,200 pounds) of body mass (a 'mouse' larger than a bull) lived with terror birds, saber-toothed cats, ground sloths and giant armored mammals among others."
    They have named the fossil Josephoartigasia monesi. They dug it out of rock along the Rio Plata and said they were amazed at its size.
    But it had small teeth and weak jawbones.
    "These features suggest that J. monesi had weak masticatory muscles for grinding food and probably did not have the abrasive diet typical of other (similar) rodents," they wrote.
    "Palaeobiologically this could imply a diet composed of soft vegetation and perhaps fruit."
    The largest living rodent is the carpincho or capybara found in parts of South America. They can grow to about 125 pounds (60 kg).(Reporting by Maggie Fox, editing by Vicki Allen)
    http://news.yahoo.com/s/nm/20080116/...nt_fossil_dc_4

  2. #2
    Car 4's Avatar
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    Very intersting, Jenna. Most rodents today go from about 150 pounds to about 250 pounds. They too have weak jawbones and a small braincase.

    Car 4
    I would like my country back. I used to believe that one man could never destroy this country. Not so sure anymore!

  3. #3
    Ender's Avatar
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    would that perhaps be a...

    RODENT OF UNUSUAL SIZE?

    --

    Ender

    "And if the band you're in starts playing different tunes, I'll see you on the dark side of the moon..."

  4. #4
    k-9max's Avatar
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    What the hell is that thing ender?
    YEAH, IM THE BERRIES, AND CHERRIES IN YOUR REAR VIEW MIRROR.

    Handle every stressful situation like a dog.
    Eat it, Play with it, or piss on it, and walk away!

    As smart as man is, we haven't been able to invent a machine that can smell drugs or tell us where a person has walked, Dogs are sophisticated investigative tools!

  5. #5
    Ender's Avatar
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    Quote Originally Posted by k-9max View Post
    What the hell is that thing ender?
    i can see you have not availed yourself to the classic and timeless 'Princess Bride.'

    go rent it, and sin no more (its a R.O.U.S. [rodent of unusual size] from the aforementioned movie)
    --

    Ender

    "And if the band you're in starts playing different tunes, I'll see you on the dark side of the moon..."

  6. #6
    TXCharlie's Avatar
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    There's some Nutria that look allmost that big in Louisiana - mosquitoes, too

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  7. #7
    Ducky's Avatar
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    Quote Originally Posted by Ender View Post
    would that perhaps be a...

    RODENT OF UNUSUAL SIZE?

    "Rodents of Unusual Size? I don't think they exist." *ooph*
    \\
    ` ` ` ` < ` )___/\
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    "...but to forget your duck, of course, means you're really screwed." - Gary Larson
    http://www.youtube.com/watch?v=MtN1YnoL46Q


 

 

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