He designed the first version of the RSPB 's Avocet logo .
He is also a keen ornithologist , and has served on council for all three of the national organisations , RSPB , British Ornithologists ' Union and the British Trust for Ornithology .
ornithologist designed the first version of the RSPB 's Avocet logo .
He is also a keen ornithologist , and has served on council for all three of the national organisations , RSPB , British Ornithologists ' Union and the British Trust for Ornithology .