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  • Orangutan builds ladder to escape from zoo

    AN “ingenious” 62 kilogram orangutan short circuited electrical wires and climbed a fence using a makeshift ladder in an aborted escape attempt from Adelaide Zoo today.



    The elaborate plot by 27-year-old Karta got her to within metres of the public, and resulted in the closure of the zoo on one of its busiest days of the year.

    The alarm was raised by a member of the public about 11am.

    Zoo curator Peter Whitehead said Karta had twisted a stick into hot wires that encircled her enclosure, short circuiting the wires and allowing her to enter a vegetated area near the concrete and glass fence that separated her from the public.

    She then piled up sticks, grass and plant roots and used them to climb onto the fence.

    ”You're talking about an animal that's highly intelligent, Mr Whitehead said.

    ”We've had issues with her before in normal day to day operations where she tries to outsmart the keepers.


    ”So in this case she's decided to make a ladder and try to get out of her exhibit.”

    Mr Whitehead said Karta was on the fence for about half an hour before climbing back down into the exhibit.

    Veterinary staff had been on standby with tranquiliser guns but these had not been necessary.

    ”I think when she actually got out and realised where she was ... she's realised she shouldn't be there so then she's actually hung onto the wall and dropped back into the exhibit,” Mr Whitehead said.

    He said although she was not an aggressive animal and was always “quite a few metres” from the public, the zoo had been evacuated as a safety precaution.

    A spokeswoman for the zoo later said it was unlikely the gates would reopen today.

    Mr Whitehead said there would be a “thorough review” of the morning's events, and it was likely some of the vegetation in the enclosure would be removed.

    Following the escape attempt Karta was being enticed into her night enclosure and away from the public viewing area.

    This task was taking longer than anticipated and was the cause of the longer than expected closure of the zoo gates.peMr Whitehead said orangutans were not generally an aggressive animal and Karta was often used to interact with the public in behind-the-scene zoo tours, although there was always mesh between her and the public.

    ”She's an ingenious animal,” he said
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  • #2
    Re: Orangutan builds ladder to escape from zoo

    More on monkeys.
    -------------------------------------------------------------------
    Monkeys Ponder What Could Have Been


    It's a good thing monkeys can't gamble. New research shows these primates are capable of "woulda-coulda-shoulda" thoughts, like those that keep gamblers at the tables.

    Monkeys' brains respond to rewards that they observe but do not experience - so-called fictive outcomes - and monkeys change their behavior when they are shown the prizes that they could have had, researchers from Duke University Medical Center say.

    "Monkeys appear to be able to use fictive information to guide their behavior, so they're not purely guided by their direct experience of reward and punishment," said Michael Platt, the study's senior author.

    This is one of the first studies to look at fictive thinking in animals, he said. The results are detailed in the May 15 issue of the journal Science.

    Monkey thoughts

    To study the monkey thought process, the scientists focused on the anterior cingulated cortex (ACC), a region of the brain thought to be involved in learning from experiences and adapting behavior. They monitored the monkeys' brain neurons while the animals played a game designed to study fictive thinking.

    The monkeys were shown eight white cards arranged in a circle. Each card had a color underneath that corresponded to a specific reward, in this case, a certain amount of juice. One prize was larger than the others - a high value reward. Over many trials, the monkey learned to associate the color green with the biggest reward. After the monkey picked a card, all the cards were turned over, and the monkey was shown the prizes that it missed, and then given the reward.

    The researchers found that the neural response was proportional to the reward given - the bigger the reward, the more the neurons fired. And the neurons responded the same way to fictive rewards. This result shows that "nerve cells in the ACC, which we already knew carry information about experienced rewards, also carry information about fictive rewards, information about the rewards that got away," said Platt.

    Learning from mistakes

    The monkeys also altered their behavior depending on the size of the fictive reward.

    If the monkey missed out on a big reward in one trial, it was more likely to choose the card that had offered that large reward in the next trial. This is similar to what people do when they gamble. For example, if someone is playing roulette and bets on black, but red wins and pays off big, the person is more likely to bet on red the next time.

    Fictive thinking may have helped the monkeys learn as well. During the trials, the large reward was kept in the same spot 60 percent of the time or moved clockwise by one position in order to see if the monkey would pick up on the pattern. Indeed, they did. The monkeys chose cards next to possible high value rewards in 38 percent of the trials, while they chose cards adjacent to low value rewards in only 17 percent of trials.

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    • #3
      Re: Orangutan builds ladder to escape from zoo

      Zoo keepers... Australia... I'm pretty sure the orangutan has the upper edge on the IQ level
      "Nobody can give you freedom. Nobody can give you equality or justice or anything. If you're a man, you take it." ~Malcolm X

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      • #4
        Re: Orangutan builds ladder to escape from zoo

        Originally posted by KanadaHye View Post
        Zoo keepers... Australia... I'm pretty sure the orangutan has the upper edge on the IQ level
        That's why it went back in the cage, for a decent conversation!

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        • #5
          Re: Orangutan builds ladder to escape from zoo

          chimps can recognize when people speak different languages, have "wars" over territory, and can make spears to hunt with.

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          • #6
            Re: Orangutan builds ladder to escape from zoo

            Originally posted by ara87 View Post
            chimps can recognize when people speak different languages, have "wars" over territory, and can make spears to hunt with.
            and have a flag with a crescent moon

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            • #7
              Re: Orangutan builds ladder to escape from zoo

              Originally posted by hrai View Post
              and have a flag with a crescent moon
              What have the poor chimps done to you that you insult them like that

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              • #8
                Re: Orangutan builds ladder to escape from zoo

                Originally posted by hrai View Post
                and have a flag with a crescent moon
                Originally posted by KarotheGreat View Post
                What have the poor chimps done to you that you insult them like that
                FORUM RULES - Please read before posting!

                1] What you CAN NOT post.

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                • #9
                  Re: Orangutan builds ladder to escape from zoo

                  Originally posted by ara87 View Post
                  FORUM RULES - Please read before posting!

                  1] What you CAN NOT post.

                  "You agree, through your use of this service, that you will not use this forum to post any material which is:
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                  - hateful
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                  Oddly enough, people don't get mad when Armenian culture and the Christian religion is insulted. Seriously, this forum must be run by Zionists.
                  "Nobody can give you freedom. Nobody can give you equality or justice or anything. If you're a man, you take it." ~Malcolm X

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