Here are a few sites which I have found useful in trying to learn a bit more about the birds. I would be interested to hear of any others.

Societies

• The Royal Society for the Protection of Birds (RSPB)
• The British Trust for Ornithology (BTO)
• The Hampshire Ornithological Society (HOS)

Identification

• British Garden Birds

Supplies

• Nutbags
• CJ WildBird Foods
• Kennedy Wild Bird