Useful links, "7 of the best":

1. www.rarebirdalert.co.uk
2. http://ebirder.web.officelive.com/default.aspx
3. www.birdforum.net
4. www.naturephotographers.net 
5. http://www.nikonians.org/index.php
6. http://www.tcdigitalphotography.co.uk/
7. http://naturephotographers.co.uk/

You can contact me via the following link:

dave@yorkshirebirder.co.uk