| European breeding bird atlas 2: distribution, abundance and change V Keller, S Herrando, P Voříšek, M Franch, M Kipson, P Milanesi, D Martí, ... European Bird Census Council & Lynx Edicions, Barcelona, 2020 | 407 | 2020 |
| Rapid climate driven shifts in wintering distributions of three common waterbird species A Lehikoinen, K Jaatinen, AV Vähätalo, P Clausen, O Crowe, ... Global change biology 19 (7), 2071-2081, 2013 | 322 | 2013 |
| National threatened species listing based on IUCN criteria and regional guidelines: current status and future perspectives RM Miller, JP Rodríguez, T ANISKOWICZ‐FOWLER, C Bambaradeniya, ... Conservation biology 21 (3), 684-696, 2007 | 254 | 2007 |
| Examination of the effects of disturbance on birds with reference to its importance in ecological assessments D Hockin, M Ounsted, M Gorman, D Hill, V Keller, MA Barker Journal of Environmental Management 36 (4), 253-286, 1992 | 237 | 1992 |
| From red lists to species of conservation concern V Keller, K Bollmann Conservation Biology 18 (6), 1636-1644, 2004 | 150 | 2004 |
| Variations in the response of great crested grebes Podiceps cristatus to human disturbance—a sign of adaptation? V Keller Biological Conservation 49 (1), 31-45, 1989 | 127 | 1989 |
| Extinction risk and conservation priorities RM Miller, JP Rodríguez, T Aniskowicz-Fowler, C Bambaradeniya, ... Science 313 (5786), 441-441, 2006 | 119 | 2006 |
| Climate‐driven changes in winter abundance of a migratory waterbird in relation to EU protected areas D Pavón‐Jordán, AD Fox, P Clausen, M Dagys, B Deceuninck, K Devos, ... Diversity and Distributions 21 (5), 571-582, 2015 | 118 | 2015 |
| Rote Liste Brutvögel V Keller, A Gerber, H Schmid, B Volet, N Zbinden Gefährdete Arten der Schweiz, Stand 53, 2010 | 80 | 2010 |
| Effects of human disturbance on eider ducklings Somateria mollissima in an estuarine habitat in Scotland VE Keller Biological Conservation 58 (2), 213-228, 1991 | 77 | 1991 |
| Überwachung der Bestandsentwicklung häufiger Brutvögel in der Schweiz H Schmid, N Zbinden, V Keller Swiss Ornithological Institute Sempach Switzerland, 2004 | 76 | 2004 |
| Prioritäre Vogelarten für Artenförderungsprogramme in der Schweiz K Bollmann, V Keller, W Müller, N Zbinden Ornithol. Beob 99 (3), 32, 2002 | 72 | 2002 |
| Rote Liste der gefährdeten Brutvogelarten der Schweiz V Keller, N Zbinden, H Schmid, B Volet Vollzug Umwelt. Bundesamt für Umwelt, Wald und Landschaft, Bern, und …, 2001 | 72 | 2001 |
| The effect of disturbance from roads on the distribution of feeding sites of geese (Anser brachyrhynchus, A. anser), wintering in north-east Scotland K VE Ardea 79, 229-232, 1991 | 67 | 1991 |
| Habitat‐and species‐mediated short‐and long‐term distributional changes in waterbird abundance linked to variation in European winter weather D Pavón‐Jordán, P Clausen, M Dagys, K Devos, V Encarnaçao, AD Fox, ... Diversity and Distributions 25 (2), 225-239, 2019 | 66 | 2019 |
| Recent changes in the abundance of Common Pochard Aythya ferina breeding in Europe AD Fox, A Caicergues, MV Banik, K Devos, M Dvorak, M Ellermaa, ... Wildfowl & Wetlands Trust, 2016 | 55 | 2016 |
| Bio-ökologische Wirksamkeit von Grünbrücken über Verkehrswege HP Pfister, V Keller, H Reck Forschung Straßenbau und Straßenverkehrstechnik, 1998 | 54 | 1998 |
| Wildlife passages as a means of mitigating effects of habitat fragmentation by roads and railway lines V Keller, HP Pfister Habitat Fragmentation, Infrastructure and the Role of Ecological Engineering …, 1997 | 54 | 1997 |
| Identification of conservation units in the European Mergus merganser based on nuclear and mitochondrial DNA markers B Hefti-Gautschi, M Pfunder, L Jenni, V Keller, H Ellegren Conservation Genetics 10 (1), 87-99, 2009 | 50 | 2009 |
| Auswirkungen menschlicher Störungen auf Vögel–eine Literaturübersicht V Keller Der Ornithologische Beobachter 92 (1), 3-38, 1995 | 50 | 1995 |
