He is a former member of the British Birds Rarities Committee. He is president of the Cornwall Birdwatching and Preservation Society.
He has written three volumes in the Helm Identification Guides series - on Wildfowl, Crows and Jays and Pheasants, Partridges & Grouse, and is co-author with Mark Beaman of The Handbook of Bird Identification.
- Fegely, Tom (19 February 1989). "Ease Boredom of Snowless Winter with a New Book Focus on Nature". The Morning Call. p. 14. Retrieved 25 April 2011.