Phenology, seasonal timing and circannual rhythms: towards a unified framework ME Visser, SP Caro, K Van Oers, SV Schaper, B Helm Philosophical Transactions of the Royal Society B: Biological Sciences 365 …, 2010 | 413 | 2010 |
Annual rhythms that underlie phenology: biological time-keeping meets environmental change B Helm, R Ben-Shlomo, MJ Sheriff, RA Hut, R Foster, BM Barnes, ... Proceedings of the Royal Society B: Biological Sciences 280 (1765), 20130016, 2013 | 265 | 2013 |
Urban-like night illumination reduces melatonin release in European blackbirds (Turdus merula): implications of city life for biological time-keeping of songbirds DM Dominoni, W Goymann, B Helm, J Partecke Frontiers in zoology 10, 1-11, 2013 | 201 | 2013 |
Clocks for the city: circadian differences between forest and city songbirds DM Dominoni, B Helm, M Lehmann, HB Dowse, J Partecke Proceedings of the Royal Society B: Biological Sciences 280 (1763), 20130593, 2013 | 179 | 2013 |
Two sides of a coin: ecological and chronobiological perspectives of timing in the wild B Helm, ME Visser, W Schwartz, N Kronfeld-Schor, M Gerkema, ... Philosophical Transactions of the Royal Society B: Biological Sciences 372 …, 2017 | 168 | 2017 |
Disrupted seasonal biology impacts health, food security and ecosystems TJ Stevenson, ME Visser, W Arnold, P Barrett, S Biello, A Dawson, ... Proceedings of the Royal Society B: Biological Sciences 282 (1817), 20151453, 2015 | 157 | 2015 |
Animal activity around the clock with no overt circadian rhythms: patterns, mechanisms and adaptive value G Bloch, BM Barnes, MP Gerkema, B Helm Proceedings of the Royal Society B: Biological Sciences 280 (1765), 20130019, 2013 | 150 | 2013 |
Sociable schedules: interplay between avian seasonal and social behaviour B Helm, T Piersma, H Van der Jeugd Animal Behaviour 72 (2), 245-262, 2006 | 146 | 2006 |
Unexpected diversity in socially synchronized rhythms of shorebirds M Bulla, M Valcu, AM Dokter, AG Dondua, A Kosztolányi, AL Rutten, ... Nature 540 (7631), 109-113, 2016 | 142 | 2016 |
The influence of biological rhythms on host–parasite interactions M Martinez-Bakker, B Helm Trends in ecology & evolution 30 (6), 314-326, 2015 | 141 | 2015 |
Avian circannual clocks: adaptive significance and possible involvement of energy turnover in their proximate control M Wikelski, LB Martin, A Scheuerlein, MT Robinson, ND Robinson, ... Philosophical Transactions of the Royal Society B: Biological Sciences 363 …, 2008 | 128 | 2008 |
Circannual and circadian contributions to the timing of avian migration E Gwinner, B Helm Avian migration, 81-95, 2003 | 123* | 2003 |
Timing avian long-distance migration: from internal clock mechanisms to global flights S Ĺkesson, M Ilieva, J Karagicheva, E Rakhimberdiev, B Tomotani, ... Philosophical Transactions of the Royal Society B: Biological Sciences 372 …, 2017 | 120 | 2017 |
Heritable circadian period length in a wild bird population B Helm, ME Visser Proceedings of the Royal Society B: Biological Sciences 277 (1698), 3335-3342, 2010 | 115 | 2010 |
When the sun never sets: diverse activity rhythms under continuous daylight in free-living arctic-breeding birds SS Steiger, M Valcu, K Spoelstra, B Helm, M Wikelski, B Kempenaers Proceedings of the Royal Society B: Biological Sciences 280 (1764), 20131016, 2013 | 112 | 2013 |
Wing pointedness associated with migratory distance in common‐garden and comparative studies of stonechats (Saxicola torquata) MW Baldwin, H Winkler, CL Organ, B Helm Journal of Evolutionary Biology 23 (5), 1050-1063, 2010 | 110 | 2010 |
Digital epidemiology reveals global childhood disease seasonality and the effects of immunization KM Bakker, ME Martinez-Bakker, B Helm, TJ Stevenson Proceedings of the National Academy of Sciences 113 (24), 6689-6694, 2016 | 109 | 2016 |
Circannual basis of geographically distinct bird schedules B Helm, I Schwabl, E Gwinner Journal of Experimental Biology 212 (9), 1259-1269, 2009 | 105 | 2009 |
Endogenous programs and flexibility in bird migration S Ĺkesson, B Helm Frontiers in Ecology and Evolution 8, 78, 2020 | 103 | 2020 |
Migratory restlessness in an equatorial nonmigratory bird B Helm, E Gwinner PLoS biology 4 (4), e110, 2006 | 100 | 2006 |