On 15/11/2013 19:03, sacha wrote:
They're shouting their little heads off the last couple of nights. We
know a Tawny is usually in the churchyard next door to our house but
this sounds as if three are competing for territory. One sounds as if
it's on our window sill, though we know that's unlikely! Is it the
males only that are noisy at this time of year, or do the females stake
their claims, too?

http://www.godsownclay.com/TawnyOwls...owlcalls1.html
You may find this site of interest Sacha, page 2 has good long
recordings of the calls.
David