| Seabird populations of Britain and Ireland PI Mitchell, SF Newton, N Ratcliffe, TE Dunn T. & AD Poyser, London, 2004 | 550 | 2004 |
| An emperor penguin population estimate: the first global, synoptic survey of a species from space PT Fretwell, MA LaRue, P Morin, GL Kooyman, B Wienecke, N Ratcliffe, ... PloS one 7 (4), e33751, 2012 | 226 | 2012 |
| An atlas of seabird distribution in north-west European waters CJ Stone, A Webb, C Barton, N Ratcliffe, TC Reed, ML Tasker, ... | 184 | 1995 |
| Seabirds as indicators of the marine environment M Parsons, I Mitchell, A Butler, N Ratcliffe, M Frederiksen, S Foster, ... ICES Journal of Marine Science 65 (8), 1520-1526, 2008 | 181 | 2008 |
| Assessing the diet of great skuas, Catharacta skua, using five different techniques SC Votier, S Bearhop, A MacCormick, N Ratcliffe, RW Furness Polar Biology 26 (1), 20-26, 2003 | 156 | 2003 |
| The interactive effects of age and food supply on the breeding ecology of great skuas N RATCLIFFE, RW FURNESS, KC HAMER Journal of Animal Ecology 67 (6), 853-862, 1998 | 104 | 1998 |
| The eradication of feral cats from Ascension Island and its subsequent recolonization by seabirds N Ratcliffe, M Bell, T Pelembe, D Boyle, R Benjamin, R White, B Godley, ... Oryx 44 (1), 20-29, 2010 | 101 | 2010 |
| The State of the UK's Birds 2003 MA Eaton, DG Noble, PA Cranswick, N Carter, S Wotton, N Ratcliffe, ... RSPB, 2004 | 93 | 2004 |
| Reproductive consequences for great skuas specializing as seabird predators SC Votier, S Bearhop, N Ratcliffe, RW Furness The Condor 106 (2), 275-287, 2004 | 87 | 2004 |
| Ecological drivers of change at South Georgia: the krill surplus, or climate variability PN Trathan, N Ratcliffe, EA Masden Ecography 35 (11), 983-993, 2012 | 82 | 2012 |
| Growth and demography of a re‐introduced population of White‐tailed Eagles Haliaeetus albicilla RJ Evans, JD Wilson, A Amar, A Douse, A MacLennan, N Ratcliffe, ... Ibis 151 (2), 244-254, 2009 | 75 | 2009 |
| A protocol for the aerial survey of penguin colonies using UAVs N Ratcliffe, D Guihen, J Robst, S Crofts, A Stanworth, P Enderlein Journal of Unmanned Vehicle Systems 3 (3), 95-101, 2015 | 72 | 2015 |
| Pellets as indicators of diet in great skuas Catharacta skua SC Votier, S Bearhop, N Ratcliffe, RW Furness Bird Study 48 (3), 373-376, 2001 | 66 | 2001 |
| Development of playback census methods for Storm Petrels Hydrobates pelagicus N Ratcliffe, D Vaughan, C Whyte, M Shepherd Bird Study 45 (3), 302-312, 1998 | 64 | 1998 |
| Predation by great skuas at a large Shetland seabird colony SC Votier, S Bearhop, N Ratcliffe, RA Phillips, RW Furness Journal of Applied Ecology 41 (6), 1117-1128, 2004 | 62 | 2004 |
| Partnerships and mechanisms of divorce in the great skua P CATRY, N RATCLIFFE, RW FURNESS Animal Behaviour 54 (6), 1475-1482, 1997 | 57 | 1997 |
| The effect of age and year on the survival of breeding adult Great Skuas Catharacta skua in Shetland N Ratcliffe, P Catry, KC Hamer, NI Klomp, RW Furness Ibis 144 (3), 384-392, 2002 | 56 | 2002 |
| The effects of fluctuating food availability on breeding Arctic Terns (Sterna paradisaea) D Suddaby, N Ratcliffe The Auk, 524-530, 1997 | 56 | 1997 |
| Love thy neighbour or opposites attract? Patterns of spatial segregation and association among crested penguin populations during winter N Ratcliffe, S Crofts, R Brown, AMM Baylis, S Adlard, C Horswill, ... Journal of biogeography 41 (6), 1183-1192, 2014 | 54 | 2014 |
| A review of the diet and at-sea distribution of penguins breeding within the CAMLR Convention Area N Ratcliffe, P Trathan CCAMLR Science 19, 75-114, 2012 | 52 | 2012 |
