https://www.bto.org/our-work/science/publications/reports/research-reports/winter-gulls-uk-population-estimates-200304-200506-winter
Winter gulls in the UK: population estimates from the 2003/04-2005/06 Winter Gull Roost Survey
Winter gulls in the UK: population estimates from the 2003/04-2005/06 Winter Gull Roost Survey
Citation
Banks, A.N., Burton, N.H.K., Calladine, J.R. & Austin, G.E. 2006. Winter gulls in the UK: population estimates from the 2003/04-2005/06 Winter Gull Roost Survey.
Staff author(s)
Graham Austin
