| Poleward shifts in geographical ranges of butterfly species associated with regional warming C Parmesan, N Ryrholm, C Stefanescu, JK Hill, CD Thomas, H Descimon, ... Nature 399 (6736), 579-583, 1999 | 2969 | 1999 |
| Rapid responses of British butterflies to opposing forces of climate and habitat change MS Warren, JK Hill, JA Thomas, J Asher, R Fox, B Huntley, DB Roy, ... Nature 414 (6859), 65-69, 2001 | 1669 | 2001 |
| The millennium atlas of butterflies in Britain and Ireland. J Asher, M Warren, R Fox, P Harding, G Jeffcoate, S Jeffcoate | 839 | 2001 |
| Red data book of European butterflies (Rhopalocera) C Van Swaay, M Warren Council of Europe, 1999 | 799 | 1999 |
| European red list of butterflies C van Swaay, A Cuttelod, S Collins, D Maes, ML Munguira, M Šašić, ... | 738 | 2010 |
| Rapid declines of common, widespread British moths provide evidence of an insect biodiversity crisis KF Conrad, MS Warren, R Fox, MS Parsons, IP Woiwod Biological conservation 132 (3), 279-291, 2006 | 671 | 2006 |
| Climatic risk atlas of European butterflies J Settele, O Kudrna, A Harpke, I Kühn, C Van Swaay, R Verovnik, ... Pensoft, 2008 | 522 | 2008 |
| Biotope use and trends of European butterflies C Van Swaay, M Warren, G Loïs Journal of Insect Conservation 10, 189-209, 2006 | 457 | 2006 |
| Distributions of occupied and vacant butterfly habitats in fragmented landscapes CD Thomas, JA Thomas, MS Warren Oecologia 92, 563-567, 1992 | 389 | 1992 |
| The decline of butterflies in Europe: Problems, significance, and possible solutions MS Warren, D Maes, CAM van Swaay, P Goffart, H Van Dyck, NAD Bourn, ... Proceedings of the National Academy of Sciences 118 (2), e2002551117, 2021 | 330 | 2021 |
| Woodlands: past, present and potential for insects MS Warren, RS Key The conservation of insects and their habitats, 155-211, 1991 | 269 | 1991 |
| Long-term population trends in widespread British moths KF Conrad, IP Woiwod, M Parsons, R Fox, MS Warren Journal of Insect Conservation 8 (2), 119-136, 2004 | 234 | 2004 |
| The State of the UK’s Butterflies 2015 R Fox, TM Brereton, J Asher, TA August, MS Botham, NAD Bourn, ... Butterfly Conservation, 2015 | 198 | 2015 |
| The ecology and conservation of the heath fritillary butterfly, Mellicta athalia. III. Population dynamics and the effect of habitat management MS Warren Journal of applied ecology, 499-513, 1987 | 198* | 1987 |
| Prime butterfly areas of Europe: an initial selection of priority sitesfor conservation CAMA van Swaay, MS Warren Journal of Insect Conservation 10, 5-11, 2006 | 175* | 2006 |
| The state of Britain’s larger moths 2021 R Fox, EB Dennis, CA Harrower, D Blumgart, JR Bell, P Cook, AM Davis, ... Butterfly Conservation, Rothamsted Research and UK Centre for Ecology …, 2021 | 159 | 2021 |
| Minimum viable metapopulation size, extinction debt, and the conservation of a declining species CR Bulman, RJ Wilson, AR Holt, LG Bravo, RI Early, MS Warren, ... Ecological Applications 17 (5), 1460-1473, 2007 | 155 | 2007 |
| The development of butterfly indicators in the United Kingdom and assessments in 2010 T Brereton, DB Roy, I Middlebrook, M Botham, M Warren Journal of Insect Conservation 15, 139-151, 2011 | 154 | 2011 |
| The ecology and conservation of the heath fritillary butterfly, Mellicta athalia. II. Adult population structure and mobility MS Warren Journal of applied Ecology, 483-498, 1987 | 148 | 1987 |
| The state of butterflies in Britain and Ireland R Fox, J Asher, T Brereton, D Roy, M Warren NatureBureau, 2006 | 145 | 2006 |
