try these web sites.
I do hope you find him

Found and lost pets!

http://www.runboard.com/banimalaccident.f1

Missing Pets at UK National Missing Pets Lost Dogs and Lost Cats Register Database

Purrs in our hearts.co.uk

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Grandma to Jinja Dog, Mum to Tilly the Cavalier, Tattycat, Moomy, Choo, Sonic, Niven Mc Twisp and Lawna the rabbits and 1 guinea,17 budgies, 4 Cockatiels, 8 Goldfish.