"Sharon Talbert" wrote in message
ashington.edu...

I may have some information for you, in my references at home. If
you are
interested, email me there (address below) with an address I can
reply to.

Sharon Talbert
Friends of Campus Cats



Thanks Sharon , I'll do that .
The actual question is to review data and I would like to compare one
of these studies with a recent article by the RSPB.
Alison