| Experimental evidence for adaptive personalities in a wild passerine bird M Nicolaus, JM Tinbergen, KM Bouwman, SPM Michler, R Ubels, C Both, ... Proceedings of the Royal Society B: Biological Sciences 279 (1749), 4885-4892, 2012 | 132 | 2012 |
| Density fluctuations represent a key process maintaining personality variation in a wild passerine bird M Nicolaus, JM Tinbergen, R Ubels, C Both, NJ Dingemanse Ecology Letters 19 (4), 478-486, 2016 | 126 | 2016 |
| Sex‐specific effects of altered competition on nestling growth and survival: an experimental manipulation of brood size and sex ratio M Nicolaus, SPM Michler, R Ubels, M Van Der Velde, J Komdeur, C Both, ... Journal of Animal Ecology 78 (2), 414-426, 2009 | 73 | 2009 |
| Exploring patterns of variation in clutch size–density reaction norms in a wild passerine bird M Nicolaus, JE Brommer, R Ubels, JM Tinbergen, NJ Dingemanse Journal of Evolutionary Biology 26 (9), 2031-2043, 2013 | 44 | 2013 |
| Delayed age at first breeding and experimental removals show large non-breeding surplus in pied flycatchers C Both, C Burger, J Ouwehand, JM Samplonius, R Ubels, RG Bijlsma Ardea 105 (1), 43-60, 2017 | 42 | 2017 |
| DNA metabarcoding quantifies the relative biomass of arthropod taxa in songbird diets: Validation with camera‐recorded diets YI Verkuil, M Nicolaus, R Ubels, MW Dietz, JM Samplonius, A Galema, ... Ecology and Evolution 12 (5), e8881, 2022 | 38 | 2022 |
| Social environment affects juvenile dispersal in great tits (Parus major) M Nicolaus, SPM Michler, KM Jalvingh, R Ubels, M van der Velde, ... Journal of Animal Ecology 81 (4), 827-837, 2012 | 36 | 2012 |
| Low but contrasting neutral genetic differentiation shaped by winter temperature in European great tits M Lemoine, K Lucek, C Perrier, V Saladin, F Adriaensen, E Barba, ... Biological Journal of the Linnean Society 118 (3), 668-685, 2016 | 32 | 2016 |
| Intensive grazing by Barnacle geese depletes High Arctic seed bank DPJ Kuijper, JP Bakker, EJ Cooper, R Ubels, IS Jónsdóttir, M Loonen Botany 84 (6), 995-1004, 2006 | 31 | 2006 |
| The correlation between coloration and exploration behaviour varies across hierarchical levels in a wild passerine bird M Nicolaus, R Piault, R Ubels, JM Tinbergen, NJ Dingemanse Journal of Evolutionary Biology 29 (9), 1780-1792, 2016 | 30 | 2016 |
| Local sex ratio affects the cost of reproduction M Nicolaus, SPM Michler, R Ubels, M van der Velde, KM Bouwman, ... Journal of Animal Ecology 81 (3), 564-572, 2012 | 28 | 2012 |
| Rotation grazing as a conservation management tool: Vegetation changes after six years of application in a salt marsh ecosystem DDG Lagendijk, RA Howison, P Esselink, R Ubels, C Smit Agriculture, Ecosystems & Environment 246, 361-366, 2017 | 24 | 2017 |
| Density-dependent switches in diet: a likely mechanism for negative feedbacks on goose population increase? DPJ Kuijper, R Ubels, M Loonen Polar Biology 32, 1789-1803, 2009 | 24 | 2009 |
| Female great tits Parus major do not increase their daily energy expenditure when incubating enlarged clutches ME De Heij, R Ubels, G Henk Visser, JM Tinbergen Journal of Avian Biology 39 (2), 121-126, 2008 | 23 | 2008 |
| Great tits trade off future competitive advantage for current reproduction RW Fokkema, R Ubels, JM Tinbergen Behavioral Ecology, arw097, 2016 | 22 | 2016 |
| No experimental evidence for local competition in the nestling phase as a driving force for density‐dependent avian clutch size M Nicolaus, C Both, R Ubels, P Edelaar, JM Tinbergen Journal of Animal Ecology 78 (4), 828-838, 2009 | 20 | 2009 |
| Sex-specific effects of the local social environment on juvenile post-fledging dispersal in great tits SPM Michler, M Nicolaus, R Ubels, M van der Velde, J Komdeur, C Both, ... Behavioral Ecology and Sociobiology 65, 1975-1986, 2011 | 19 | 2011 |
| Life‐history innovation to climate change: can single‐brooded migrant birds become multiple breeders? C Both, R Ubels, PA Ravussin Journal of Avian Biology 50 (5), 2019 | 17 | 2019 |
| Experimentally quantifying the effect of nest-site depth on the predation risk and breeding success of Blue Tits RW Fokkema, R Ubels, JM Tinbergen The Auk: Ornithological Advances 135 (4), 919-932, 2018 | 16 | 2018 |
| No evidence for long‐term effects of reproductive effort on parasite prevalence in great tits Parus major ME de Jong, RW Fokkema, R Ubels, M van der Velde, JM Tinbergen Journal of Avian Biology 45 (2), 179-186, 2014 | 16 | 2014 |
