Page 26 - 2003 DT 12 Issues
P. 26

The Admirable Viper                  ○ it, based on the threat the prey repre-  ○ the nine years she has conducted
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                                           ○  sents. In each case, the snake must  ○ research in the Montezuma Castle Na-
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                                            determine the best method of approach  ○  tional Monument in Arizona, which has
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             eing compared to a rattlesnake  ○ or risk being bitten or poisoned by a  ○
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             might call for a punch in the  ○ wrong choice. Dr. Randall W. Reiserer,  ○  ○  a rattlesnake population of 75 to 100
                                                                                   snakes per square mile, only two people
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      Bnose. But perhaps no longer.        ○ Department of Biomedical Engineering,  ○ ○ have been bitten—one was working for
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      This once reviled member of the pit vi-  ○  Vanderbilt University, believes these  ○
      per family is rapidly gaining some   ○                                     ○ her. Still . . .trackers beware; watch who
                                           ○  separate species could be trained to hunt  ○ you’re calling a tube sock!
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      respect. Usually dismissed as a brain-  ○ using each other’s methods. “Snakes
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      less tube sock, the rattlesnake and its  ○ turn out to be very complicated crea-  ○  ○
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      viper kin are the subjects of renewed  ○ tures,” he said. “But they have few ways  ○ March Board Notes
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      study, with some surprising results.  ○  to express what they know.”       ○  ○
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                                                 More astonishing is the discovery  ○ *    A motion to approve a BLM
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                                                                                   request for $2,000 toward traffic
                                           ○ that, in addition to widely differing mat-  ○ ○ control gates at the campground has
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                                                                                 ○
                                           ○ ing styles among the males of the same  ○  been tabled until the April board
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                                           ○ species, females can be caring mothers.  ○ meeting.
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                                           ○  Unlike most snake species, a great ma-  ○ *    A  motion was approved to
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                                            jority of vipers bear live young.
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                                           ○                                     ○  disburse $7,500 to the Red Rock
                                           ○ Parental behavior among black-tailed  ○ Canyon Interpretive Assn. (RRCIA)
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                                           ○ and pygmy rattlesnakes defied previous  ○ ○  for the Interpretive Sign Project by
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                                           ○ notions that mother snakes would just  ○ April 30, and the remaining $7,500
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                                            slither away after giving birth, leaving  ○ by August 31.
                                           ○                                       *    A one-day  retreat for the Friends
                                            the babies on their own. “But instead,”  ○
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                                           ○                                     ○ and RRCIA boards has been
                                           ○ said Dr. Harry W. Greene of Cornell  ○  scheduled for May 3, at the Mt.
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                                           ○ University, “we’d find a mother bask-  ○ Charleston Hotel.
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           Vipers represent an ancient and  ○ ing with her young day after day, or  ○  ○  *   The Cultural Resources Comm-
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                                                                                   mittee will meet twice a month until
      diverse group of snakes—more than 200  ○  ○  guarding the entrance to a burrow while  ○ ○ further notice to revise photo
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      species—which populate every conti-  ○  ○  the babies were inside.” Once, he said,  ○  documentation of existing sites and
      nent except Australia. They all come  ○ he saw a little viper start to emerge from  ○ record new sites, which will be
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      equipped with signature erectile fangs  ○ its hole, but the mother “put her head on  ○  assigned Smithsonian numbers.
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      that lie flat against the snake’s upper  ○ him and nudged him back inside.” Re-  ○ *    BLM report:
      palate when its mouth is closed. But  ○  ○  searchers speculate that parental care  ○  ○  Mark Rekshynskyj has been
                                                                                   promoted to Park Mgr. The title of
                                            may have evolved because baby vipers
      come too close, and those venom-filled  ○ ○ don’t shed their skin at birth, like other  ○ ○ Visitor Center Mrg. will be replaced
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      fangs pop out to large dimensions. Pit  ○                                  ○  by a Lead Park Ranger position.
      vipers, including the rattlesnake, are so  ○ snakes, until they are about 10 days old  ○ ○  New positions: Natural Re-
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      called because of the specialized con-  ○ and are therefore very vulnerable dur-  ○ sources/Outdoor  Recreation
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                                           ○  ing the shedding period.
      cave pits between snout and mouth    ○                                     ○  Planner; Lead Law Enforcement
                                           ○     Herpetology is taking its cue from  ○ Ranger; Sloan Canyon Park Mgr.
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      which pick up heat signals from prey or  ○
                                                                                       Funding for the Oliver Ranch
      intruders.                           ○  ○  primate research, closely tracking indi-  ○ ○ Field School and for our new Visi-
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           According to The New York Times,  ○ ○  vidual snakes over long periods of time  ○ tor Center has been approved
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      biologists are having to change their pre-  ○ to learn who they socialize with and  ○  among the 16 projects to be funded
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      sumptions about a host of reptile behaviors,  ○ whether they form pair bonds. Not to  ○ from the sale of public lands by the
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      acknowledging that vipers are capable  ○ worry, according to Erika Nowak of the  ○  BLM.
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      of learning from experience. They can  ○ Southwest Biological Science Center of  ○ ○  The 13 Mile Campground will
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      even fine tune their hunting strategies to  ○ the United States Geological Survey.  ○ close June 1, and re-open August
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      address new circumstances. Both East-  ○ Rattlesnakes go to great lengths to avoid  ○ ○  26, saving $10,000 in operating
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                                                                                   costs.
      ern and Western vipers hunt frogs and  biting people or having anything to do  *    The next board meeting will be
      lizards, but each species makes adapta-  with them at all. Getting bitten is the re-  held on April 8, at 5:30 p.m. at the
      tions in how they lure the prey, or forego  sult of harassment most of the time. In  Sahara West Library.
      Page 2            FORRC/April 2003
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