| 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 | 2501 | 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 | 1430 | 2001 |
| The millennium atlas of butterflies in Britain and Ireland. J Asher, M Warren, R Fox, P Harding, G Jeffcoate, S Jeffcoate The millennium atlas of butterflies in Britain and Ireland., 2001 | 737 | 2001 |
| Red data book of European butterflies (Rhopalocera) C Van Swaay, M Warren Council of Europe, 1999 | 715 | 1999 |
| European red list of butterflies CC Van Swaay, A Cuttelod, S Collins, D Maes, ML Munguira, M Šašić, ... | 497 | 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 | 471 | 2006 |
| Climatic risk atlas of European butterflies J Settele, O Kudrna, A Harpke, I Kühn, C Van Swaay, R Verovnik, ... Pensoft, 2008 | 415 | 2008 |
| Biotope use and trends of European butterflies C van Swaay, M Warren, G Loïs Journal of Insect Conservation 10 (2), 189-209, 2006 | 356 | 2006 |
| Distributions of occupied and vacant butterfly habitats in fragmented landscapes CD Thomas, JA Thomas, MS Warren Oecologia 92 (4), 563-567, 1992 | 351 | 1992 |
| Woodlands: past, present and potential for insects MS Warren, RS Key The conservation of insects and their habitats, 155-211, 1991 | 248 | 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 | 177 | 2004 |
| 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 | 174* | 1987 |
| Prime butterfly areas in Europe C van Swaay, M Warren Priority sites for conservation, 2003 | 157* | 2003 |
| 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 | 145 | 1987 |
| The state of butterflies in Britain and Ireland R Fox, J Asher, T Brereton, D Roy, M Warren NatureBureau, 2006 | 134 | 2006 |
| The State of the UK’s Butterflies 2015 R Fox, TM Brereton, J Asher, TA August, MS Botham, NAD Bourn, ... Butterfly Conservation, 2015 | 131 | 2015 |
| 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 | 126 | 2007 |
| The UK status and suspected metapopulation structure of a threatened European butterfly, the marsh fritillary Eurodryas aurinia MS Warren Biological Conservation 67 (3), 239-249, 1994 | 122 | 1994 |
| Butterfly populations MS Warren The ecology of butterflies in Britain, 73-92, 1992 | 121 | 1992 |
| The influence of shade on butterfly numbers in woodland rides, with special reference to the wood white Leptidea sinapis MS Warren Biological conservation 33 (2), 147-164, 1985 | 120 | 1985 |
