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CSERC continues survey for porcupine in the
Northern Yosemite Region for 2012- and asks for your help!

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    picture from Wallyg's Flickr page     
      In recent years, field studies have added new information about existing populations of the Pacific fisher.  The question was raised as to whether there is any validity to the anecdotal decline in the abundance of porcupines, and if so, does it contribute to the lack of fishers in areas of previously occupied habitat? Since the porcupine has historically been a prey species for the fisher, the relative abundance or paucity of porcupines in historic fisher habitat could be one factor that affects the fisher.

     To attempt to fill the gap of information about the porcupine’s current status, CSERC initiated a yearlong effort in 2011 to collect reports of porcupine sightings in the region that stretches from Lake Tahoe south through the southern end of the Sierra Nevada (Read our 2011 porcupine sighting report).

     Our results have indicated that there may indeed be reason for concern over the status of the porcupine in our region.  The feedback we have gotten from many public lands biologists is that they share our concern, and our 2011 study has begun to gain widespread attention (see the news article featuring our study in the Sacramento Bee).

          Accordingly, to continue filling the gap of information about the porcupine’s current status, CSERC is gathering sighting reports.

          WE ARE ASKING CSERC MEMBERS, PUBLIC AGENCY BIOLOGISTS, AND ALL OTHERS WHO SPEND TIME IN THE SIERRA NEVADA REGION TO REPORT ANY PORCUPINE DETECTION OBSERVED IN 2012.

To report your personal sighting of a porcupine, please contact Lindsey Myers, CSERC staff biologist, at: lindseym@cserc.org, or call: (209) 586-7440.

Please provide the following information:

A) Time and date of sighting
B) Specific location of sighting, as detailed as possible
C) Any description of porcupine behavior observed
D) If road-kill, a description of the road condition, speed limit, etc.
E) Any additional information you think is worth sharing…
F) A photo if at all possible will also be extremely helpful.

     THANK YOU TO ALL WHO ARE LUCKY ENOUGH TO OBSERVE A PORCUPINE IN THE REGION STRETCHING FROM YOSEMITE TO LAKE TAHOE AND WHO TAKE THE TIME TO PARTICIPATE IN THIS PORCUPINE SIGHTING SURVEY.

     CSERC WILL PERIODICALLY QUANTIFY AND UPDATE THE RESULTS OF OUR SURVEY ON THIS WEBSITE. WE WILL ALSO PROVIDE A FINAL 2012 PORCUPINE SURVEY REPORT TO ALL WHO REQUEST IT.  SEND US YOUR SIGHTINGS!

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