Professor Richard Gregory Author

Peter Holden MBE has written twelve books, including the bestselling RSPB Handbook of British Birds and the acclaimed RSPB Handbook of Garden Wildlife. He worked for the RSPB for more than forty years. Professor Richard Gregory is Head of Monitoring Conservation Science at the RSPB and holds a professorship at the Centre for Biodiversity and Environmental Research at UCL. He has worked for the RSPB for over twenty years.