"Yngver" wrote in message
...
Alison" wrote:

You may have to go to a library, but here's the citation:
PB Churcher and JH Lawton, 1987, "Predation by domestic cats in an
English (UK)
village. Journal of Zoology. (London.)

Something this old may not be available online.

Thanks, I think it would have to be a main library, I'll have to
wait for the snow to clear before I venture out!
Alison