Since crows roost communally during the winter months, is anybody out there
doing any baseline counts of roosts in preparation for West Nile Virus
reductions? Seems like this would be the best time to do this to establish
at least some kind of population baselines. I am thinking of assigning this
to a team of students to find and count the Snohomish Roosts. Any ideas
about best methods for this would be appreciated

Rob Sandelin
Sky Valley Environments <http://www.nonprofitpages.com/nica/SVE.htm>
Field skills training for student naturalists
Floriferous at msn.com



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