We are conducting surveys, monitoring, and research on cougars (puma, mountain lion) on the Ladder Ranch in south-central New Mexico. Here, cougars are of particular interest given their effects on state-endangered desert bighorn sheep and other valuable big game. These projects are also resources for training and education, most notably through the Cougar Field Workshop.

Thursday, September 04, 2008

Here we can see the dramatic reduction in LF1's range of movement since we first suspected her of having a maternity den. The blue shape represents her home range for the 30 days prior to her stay at the den. The red shape shows her home range for approximately 25 days since her stay at the den. Her movements prior to the supposed denning covered an area 9.5 times greater than her movements since the supposed denning.


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