Spotted and Barred Owl CoOccurrence
   Multi season single season

   Ships with PRESENCE. Appears to be based on:
       Modelling co-occurrence of northern spotted and barred owls:
       Accounting for detection probability differences^M
       Larissa L. Bailey, Janice A. Reid, Eric D. Forsman, James D. Nichols^M
       Biological Conservation 142 (2009) 2983Ð2989.^M

   Co-occurrence of two species of owls.

   I only used the first 10 surveys in the season.