The Wildlife Trusts:   There are 47 local Wildlife Trusts across the whole of the UK, the Isle of Man & Alderney. We are working for an environment rich in wildlife for everyone.

 The RSPB has sites all over the  UK . The hides are great for photograpy - especially in winter

http://www.cameraclubs.co.uk/...  to find your local camera club

My own club is in Bedfordshire:

http://www.biggleswadecameraclub.org.uk/

Other camera club links might be helpful:

http://www.eafphotoclubs.co.uk/