| Sperm of colourful males are better protected against oxidative stress F Helfenstein, S Losdat, AP Møller, JD Blount, H Richner Ecology Letters 13 (2), 213-222, 2010 | 155 | 2010 |
| Corticosterone: effects on feather quality and deposition into feathers S Jenni‐Eiermann, F Helfenstein, A Vallat, G Glauser, L Jenni Methods in Ecology and Evolution 6 (2), 237-246, 2015 | 111 | 2015 |
| Sperm morphology, swimming velocity, and longevity in the house sparrow Passer domesticus F Helfenstein, M Podevin, H Richner Behavioral Ecology and Sociobiology 64 (4), 557-565, 2010 | 81 | 2010 |
| Colonies as byproducts of commodity selection RH Wagner, E Danchin, T Boulinier, F Helfenstein Behavioral Ecology 11 (5), 572-573, 2000 | 72 | 2000 |
| Assortative mating and sexual size dimorphism in black-legged kittiwakes F Helfenstein, E Danchin, RH Wagner Waterbirds 27 (3), 350-354, 2004 | 69 | 2004 |
| Female choice of young sperm in a genetically monogamous bird RH Wagner, F Helfenstein, E Danchin Proceedings of the Royal Society of London. Series B: Biological Sciences …, 2004 | 67 | 2004 |
| Functions of courtship feeding in black-legged kittiwakes: natural and sexual selection F Helfenstein, RH Wagner, E Danchin, JM Rossi Animal Behaviour 65 (5), 1027-1033, 2003 | 62 | 2003 |
| Immune activation reduces sperm quality in the great tit S Losdat, H Richner, JD Blount, F Helfenstein PLoS ONE 6 (7), e22221, 2011 | 57 | 2011 |
| Low frequency of extra-pair paternity and high frequency of adoption in black-legged kittiwakes F Helfenstein, C Tirard, E Danchin, RH Wagner The Condor 106 (1), 149-155, 2004 | 56 | 2004 |
| Multiple deleterious effects of experimentally aged sperm in a monogamous bird J White, RH Wagner, F Helfenstein, SA Hatch, H Mulard, LC Naves, ... Proceedings of the National Academy of Sciences USA 105 (37), 13947-13952, 2008 | 55 | 2008 |
| Nestling begging intensity and parental effort in relation to prelaying carotenoid availability F Helfenstein, A Berthouly, M Tanner, F Karadas, H Richner Behavioral Ecology 19 (1), 108-115, 2008 | 54 | 2008 |
| A nation‐wide survey of neonicotinoid insecticides in agricultural land with implications for agri‐environment schemes S Humann‐Guilleminot, ŁJ Binkowski, L Jenni, G Hilke, G Glauser, ... Journal of Applied Ecology 56 (7), 1502-1514, 2019 | 50 | 2019 |
| Evidence that pairing with genetically similar mates is maladaptive in a monogamous bird H Mulard, E Danchin, SL Talbot, AM Ramey, SA Hatch, JF White, ... BMC Evolutionary Biology 9 (1), 1-12, 2009 | 50 | 2009 |
| Nestling erythrocyte resistance to oxidative stress predicts fledging success but not local recruitment in a wild bird S Losdat, F Helfenstein, JD Blount, V Marri, L Maronde, H Richner Biology Letters, rsbl20120888, 2012 | 45 | 2012 |
| Reproductive effort transiently reduces antioxidant capacity in a wild bird S Losdat, F Helfenstein, B Gaude, H Richner Behavioral Ecology 22 (6), 1218-1226, 2011 | 45 | 2011 |
| Cellular immune response, stress resistance and competitiveness in nestling great tits in relation to maternally transmitted carotenoids A Berthouly, F Helfenstein, H Richner Functional Ecology 21 (2), 335-343, 2007 | 45 | 2007 |
| A large-scale survey of house sparrows feathers reveals ubiquitous presence of neonicotinoids in farmlands S Humann-Guilleminot, S Clément, J Desprat, ŁJ Binkowski, G Glauser, ... Science of the Total Environment 660, 1091-1097, 2019 | 37 | 2019 |
| Polymorphic microsatellites in the black‐legged kittiwake Rissa tridactyla C Tirard, F Helfenstein, E Danchin Molecular Ecology Notes 2 (4), 431-433, 2002 | 37 | 2002 |
| Sex‐related effects of maternal egg investment on offspring in relation to carotenoid availability in the great tit A Berthouly, F Helfenstein, M Tanner, H Richner Journal of Animal Ecology 77 (1), 74-82, 2008 | 35 | 2008 |
| Sexual conflict over sperm ejection in monogamous pairs of kittiwakes Rissa tridactyla F Helfenstein, RH Wagner, E Danchin Behavioral Ecology and Sociobiology 54 (4), 370-376, 2003 | 35 | 2003 |
Heinz RichnerProfessor emeritus of Biology, University of Bern, SwitzerlandVerified email at iee.unibe.ch
