| Year |
Citation |
Score |
| 2024 |
Jarrett C, Simon OG, Tchana CN, Pev TA, Meigang Kamkeng MF, Wandji AC, Manu SA, Tchoumbou MA, Helm B, Powell LL, Nwaogu CJ. Differences in phenology across three trophic levels between two Afrotropical sites separated by four degrees latitude. Ecology and Evolution. 14: e70274. PMID 39267691 DOI: 10.1002/ece3.70274 |
0.352 |
|
| 2024 |
Tomotani BM, Strauß AFT, Kishkinev D, van de Haar H, Helm B. Circadian clock period length is not consistently linked to chronotype in a wild songbird. The European Journal of Neuroscience. 60: 5522-5536. PMID 39256897 DOI: 10.1111/ejn.16535 |
0.342 |
|
| 2024 |
Strauß AFT, Bosma L, Visser ME, Helm B. Short-time exposure to light at night affects incubation patterns and correlates with subsequent body weight in great tits (Parus major). Journal of Experimental Zoology. Part a, Ecological and Integrative Physiology. PMID 38327263 DOI: 10.1002/jez.2787 |
0.318 |
|
| 2024 |
Helm B, Greives T, Zeman M. Endocrine-circadian interactions in birds: implications when nights are no longer dark. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 379: 20220514. PMID 38310930 DOI: 10.1098/rstb.2022.0514 |
0.322 |
|
| 2024 |
Helm B, Liedvogel M. Avian migration clocks in a changing world. Journal of Comparative Physiology. a, Neuroethology, Sensory, Neural, and Behavioral Physiology. PMID 38305877 DOI: 10.1007/s00359-023-01688-w |
0.332 |
|
| 2023 |
McGlade CLO, Capilla-Lasheras P, Womack RJ, Helm B, Dominoni DM. Experimental light at night explains differences in activity onset between urban and forest great tits. Biology Letters. 19: 20230194. PMID 37670610 DOI: 10.1098/rsbl.2023.0194 |
0.693 |
|
| 2022 |
Justen H, Hasselmann T, Illera JC, Delmore KE, Serrano D, Flinks H, Senzaki M, Kawamura K, Helm B, Liedvogel M. Population-specific association of Clock gene polymorphism with annual cycle timing in stonechats. Scientific Reports. 12: 7947. PMID 35562382 DOI: 10.1038/s41598-022-11158-z |
0.342 |
|
| 2022 |
Bossu CM, Heath JA, Kaltenecker GS, Helm B, Ruegg KC. Clock-linked genes underlie seasonal migratory timing in a diurnal raptor. Proceedings. Biological Sciences. 289: 20212507. PMID 35506230 DOI: 10.1098/rspb.2021.2507 |
0.317 |
|
| 2022 |
Dominoni DM, de Jong M, van Oers K, O'Shaughnessy P, Blackburn GJ, Atema E, Mateman AC, D'Amelio PB, Trost L, Bellingham M, Clark J, Visser ME, Helm B. Integrated molecular and behavioural data reveal deep circadian disruption in response to artificial light at night in male Great tits (Parus major). Scientific Reports. 12: 1553. PMID 35091579 DOI: 10.1038/s41598-022-05059-4 |
0.695 |
|
| 2021 |
Jarrett C, Powell LL, Claire TTR, Tchoumbou M, Helm B. Moult of overwintering Wood Warblers in an annual-cycle perspective. Journal of Ornithology. 162: 645-653. PMID 34722109 DOI: 10.1007/s10336-021-01859-z |
0.348 |
|
| 2021 |
Salmón P, Jacobs A, Ahrén D, Biard C, Dingemanse NJ, Dominoni DM, Helm B, Lundberg M, Senar JC, Sprau P, Visser ME, Isaksson C. Continent-wide genomic signatures of adaptation to urbanisation in a songbird across Europe. Nature Communications. 12: 2983. PMID 34016968 DOI: 10.1038/s41467-021-23027-w |
0.659 |
|
| 2020 |
Jarrett C, Powell LL, McDevitt H, Helm B, Welch AJ. Bitter fruits of hard labour: diet metabarcoding and telemetry reveal that urban songbirds travel further for lower-quality food. Oecologia. PMID 32533359 DOI: 10.1007/S00442-020-04678-W |
0.341 |
|
| 2020 |
Åkesson S, Helm B. Endogenous Programs and Flexibility in Bird Migration Frontiers in Ecology and Evolution. 8. DOI: 10.3389/Fevo.2020.00078 |
0.343 |
|
| 2019 |
Helm B, Van Doren BM, Hoffmann D, Hoffmann U. Evolutionary Response to Climate Change in Migratory Pied Flycatchers. Current Biology : Cb. PMID 31668621 DOI: 10.1016/J.Cub.2019.08.072 |
0.46 |
|
| 2019 |
Per Huffeldt N, Merkel FR, Jenni-Eiermann S, Goymann W, Helm B. Melatonin and corticosterone profiles under polar day in a seabird with sexually-opposite activity-rhythms. General and Comparative Endocrinology. 113296. PMID 31589833 DOI: 10.1016/J.Ygcen.2019.113296 |
0.757 |
|
| 2019 |
Apfelbeck B, Haussmann MF, Boner W, Flinks H, Griffiths K, Illera JC, Mortega KG, Sisson Z, Smiddy P, Helm B. Divergent patterns of telomere shortening in tropical compared to temperate stonechats. Ecology and Evolution. 9: 511-521. PMID 30680132 DOI: 10.1002/Ece3.4769 |
0.755 |
|
| 2018 |
Dominoni DM, de Jong M, Bellingham M, O'Shaughnessy P, van Oers K, Robinson J, Smith B, Visser ME, Helm B. Dose-response effects of light at night on the reproductive physiology of great tits (Parus major): Integrating morphological analyses with candidate gene expression. Journal of Experimental Zoology. Part a, Ecological and Integrative Physiology. PMID 30058288 DOI: 10.1002/Jez.2214 |
0.709 |
|
| 2018 |
Gwinner H, Capilla-Lasheras P, Cooper C, Helm B. 'Green incubation': avian offspring benefit from aromatic nest herbs through improved parental incubation behaviour. Proceedings. Biological Sciences. 285. PMID 29875299 DOI: 10.1098/Rspb.2018.0376 |
0.317 |
|
| 2017 |
Schwartz WJ, Helm B, Gerkema MP. Wild clocks: preface and glossary. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 372. PMID 28993501 DOI: 10.1098/Rstb.2017.0211 |
0.407 |
|
| 2017 |
Åkesson S, Ilieva M, Karagicheva J, Rakhimberdiev E, Tomotani B, Helm B. Timing avian long-distance migration: from internal clock mechanisms to global flights. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 372. PMID 28993496 DOI: 10.1098/Rstb.2016.0252 |
0.46 |
|
| 2017 |
Helm B, Visser ME, Schwartz W, Kronfeld-Schor N, Gerkema M, Piersma T, Bloch G. Two sides of a coin: ecological and chronobiological perspectives of timing in the wild. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 372. PMID 28993490 DOI: 10.1098/Rstb.2016.0246 |
0.359 |
|
| 2017 |
Pollock CJ, Capilla-Lasheras P, McGill RAR, Helm B, Dominoni DM. Integrated behavioural and stable isotope data reveal altered diet linked to low breeding success in urban-dwelling blue tits (Cyanistes caeruleus). Scientific Reports. 7: 5014. PMID 28694437 DOI: 10.1038/S41598-017-04575-Y |
0.684 |
|
| 2017 |
Apfelbeck B, Helm B, Illera JC, Mortega KG, Smiddy P, Evans NP. Baseline and stress-induced levels of corticosterone in male and female Afrotropical and European temperate stonechats during breeding. Bmc Evolutionary Biology. 17: 114. PMID 28532466 DOI: 10.1186/S12862-017-0960-9 |
0.752 |
|
| 2017 |
Apfelbeck B, Mortega KG, Flinks H, Illera JC, Helm B. Testosterone, territorial response, and song in seasonally breeding tropical and temperate stonechats. Bmc Evolutionary Biology. 17: 101. PMID 28412929 DOI: 10.1186/S12862-017-0944-9 |
0.759 |
|
| 2017 |
Van Doren BM, Campagna L, Helm B, Illera JC, Lovette IJ, Liedvogel M. Correlated patterns of genetic diversity and differentiation across an avian family. Molecular Ecology. PMID 28256062 DOI: 10.1111/Mec.14083 |
0.336 |
|
| 2017 |
Capilla-Lasheras P, Dominoni DM, Babayan SA, O'Shaughnessy PJ, Mladenova M, Woodford L, Pollock CJ, Barr T, Baldini F, Helm B. Elevated Immune Gene Expression Is Associated with Poor Reproductive Success of Urban Blue Tits Frontiers in Ecology and Evolution. 5. DOI: 10.3389/Fevo.2017.00064 |
0.687 |
|
| 2017 |
Van Doren BM, Liedvogel M, Helm B. Programmed and flexible: long-term Zugunruhe
data highlight the many axes of variation in avian migratory behaviour Journal of Avian Biology. 48: 155-172. DOI: 10.1111/Jav.01348 |
0.435 |
|
| 2016 |
Bulla M, Valcu M, Dokter AM, Dondua AG, Kosztolányi A, Rutten AL, Helm B, Sandercock BK, Casler B, Ens BJ, Spiegel CS, Hassell CJ, Küpper C, Minton C, Burgas D, et al. Unexpected diversity in socially synchronized rhythms of shorebirds. Nature. PMID 27880762 DOI: 10.1038/Nature20563 |
0.437 |
|
| 2016 |
Bakker KM, Martinez-Bakker ME, Helm B, Stevenson TJ. Digital epidemiology reveals global childhood disease seasonality and the effects of immunization. Proceedings of the National Academy of Sciences of the United States of America. PMID 27247405 DOI: 10.1073/Pnas.1523941113 |
0.344 |
|
| 2015 |
Stevenson TJ, Visser ME, Arnold W, Barrett P, Biello S, Dawson A, Denlinger DL, Dominoni D, Ebling FJ, Elton S, Evans N, Ferguson HM, Foster RG, Hau M, Haydon DT, ... ... Helm B, et al. Disrupted seasonal biology impacts health, food security and ecosystems. Proceedings. Biological Sciences / the Royal Society. 282. PMID 26468242 DOI: 10.1098/Rspb.2015.1453 |
0.751 |
|
| 2015 |
Malzer I, Helm B. The Seasonal Dynamics of Artificial Nest Predation Rates along Edges in a Mosaic Managed Reedbed. Plos One. 10: e0140247. PMID 26448338 DOI: 10.1371/Journal.Pone.0140247 |
0.38 |
|
| 2015 |
Martinez-Bakker M, Helm B. The influence of biological rhythms on host-parasite interactions. Trends in Ecology & Evolution. 30: 314-326. PMID 25907430 DOI: 10.1016/J.Tree.2015.03.012 |
0.368 |
|
| 2015 |
Nord A, Lehmann M, Macleod R, Mccafferty DJ, Nager RG, Nilsson JÅ, Helm B. Evaluation of two methods for minimally invasive peripheral body temperature measurement in birds Journal of Avian Biology. DOI: 10.1111/Jav.00845 |
0.303 |
|
| 2014 |
Mortega KG, Flinks H, Helm B. Behavioural response of a migratory songbird to geographic variation in song and morphology. Frontiers in Zoology. 11: 85. PMID 25484906 DOI: 10.1186/S12983-014-0085-6 |
0.364 |
|
| 2014 |
Versteegh MA, Helm B, Kleynhans EJ, Gwinner E, Tieleman BI. Genetic and phenotypically flexible components of seasonal variation in immune function. The Journal of Experimental Biology. 217: 1510-8. PMID 24436383 DOI: 10.1242/Jeb.097105 |
0.602 |
|
| 2013 |
Dominoni DM, Goymann W, Helm B, Partecke J. Urban-like night illumination reduces melatonin release in European blackbirds (Turdus merula): implications of city life for biological time-keeping of songbirds. Frontiers in Zoology. 10: 60. PMID 24090446 DOI: 10.1186/1742-9994-10-60 |
0.768 |
|
| 2013 |
Bloch G, Barnes BM, Gerkema MP, Helm B. Animal activity around the clock with no overt circadian rhythms: patterns, mechanisms and adaptive value. Proceedings. Biological Sciences / the Royal Society. 280: 20130019. PMID 23825202 DOI: 10.1098/Rspb.2013.0019 |
0.448 |
|
| 2013 |
Helm B, Ben-Shlomo R, Sheriff MJ, Hut RA, Foster R, Barnes BM, Dominoni D. Annual rhythms that underlie phenology: biological time-keeping meets environmental change. Proceedings. Biological Sciences / the Royal Society. 280: 20130016. PMID 23825201 DOI: 10.1098/Rspb.2013.0016 |
0.718 |
|
| 2013 |
Steiger SS, Valcu M, Spoelstra K, Helm B, Wikelski M, Kempenaers B. When the sun never sets: diverse activity rhythms under continuous daylight in free-living arctic-breeding birds. Proceedings. Biological Sciences / the Royal Society. 280: 20131016. PMID 23782884 DOI: 10.1098/Rspb.2013.1016 |
0.498 |
|
| 2013 |
Dominoni DM, Helm B, Lehmann M, Dowse HB, Partecke J. Clocks for the city: circadian differences between forest and city songbirds. Proceedings. Biological Sciences / the Royal Society. 280: 20130593. PMID 23740778 DOI: 10.1098/Rspb.2013.0593 |
0.733 |
|
| 2012 |
Lehmann M, Spoelstra K, Visser ME, Helm B. Effects of temperature on circadian clock and chronotype: an experimental study on a passerine bird. Chronobiology International. 29: 1062-71. PMID 22881370 DOI: 10.3109/07420528.2012.707159 |
0.421 |
|
| 2012 |
Helm B, Gwinner E, Koolhaas A, Battley P, Schwabl I, Dekinga A, Piersma T. Avian migration: temporal multitasking and a case study of melatonin cycles in waders. Progress in Brain Research. 199: 457-79. PMID 22877681 DOI: 10.1016/B978-0-444-59427-3.00026-5 |
0.658 |
|
| 2012 |
Versteegh MA, Helm B, Gwinner E, Tieleman BI. Annual cycles of metabolic rate are genetically determined but can be shifted by phenotypic flexibility. The Journal of Experimental Biology. 215: 3459-66. PMID 22771752 DOI: 10.1242/Jeb.073445 |
0.608 |
|
| 2012 |
Goymann W, Helm B, Jensen W, Schwabl I, Moore IT. A tropical bird can use the equatorial change in sunrise and sunset times to synchronize its circannual clock. Proceedings. Biological Sciences / the Royal Society. 279: 3527-34. PMID 22648153 DOI: 10.1098/Rspb.2012.0743 |
0.623 |
|
| 2012 |
Ramenofsky M, Cornelius JM, Helm B. Physiological and behavioral responses of migrants to environmental cues Journal of Ornithology. 153: 181-191. DOI: 10.1007/S10336-012-0817-3 |
0.432 |
|
| 2010 |
Visser ME, Caro SP, van Oers K, Schaper SV, Helm B. Phenology, seasonal timing and circannual rhythms: towards a unified framework. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 365: 3113-27. PMID 20819807 DOI: 10.1098/Rstb.2010.0111 |
0.431 |
|
| 2010 |
Helm B, Visser ME. Heritable circadian period length in a wild bird population. Proceedings. Biological Sciences / the Royal Society. 277: 3335-42. PMID 20534621 DOI: 10.1098/Rspb.2010.0871 |
0.485 |
|
| 2010 |
Tieleman BI, Croese E, Helm B, Versteegh MA. Repeatability and individual correlates of microbicidal capacity of bird blood. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 156: 537-40. PMID 20434581 DOI: 10.1016/J.Cbpa.2010.04.011 |
0.355 |
|
| 2010 |
Baldwin MW, Winkler H, Organ CL, Helm B. Wing pointedness associated with migratory distance in common-garden and comparative studies of stonechats (Saxicola torquata). Journal of Evolutionary Biology. 23: 1050-63. PMID 20345819 DOI: 10.1111/J.1420-9101.2010.01975.X |
0.399 |
|
| 2009 |
Helm B. Geographically distinct reproductive schedules in a changing world: Costly implications in captive Stonechats. Integrative and Comparative Biology. 49: 563-79. PMID 21665841 DOI: 10.1093/Icb/Icp037 |
0.467 |
|
| 2009 |
Kalthoff D, Breithaupt A, Helm B, Teifke JP, Beer M. Migratory status is not related to the susceptibility to HPAIV H5N1 in an insectivorous passerine species. Plos One. 4: e6170. PMID 19584935 DOI: 10.1371/Journal.Pone.0006170 |
0.33 |
|
| 2009 |
Mukhin A, Grinkevich V, Helm B. Under cover of darkness: nocturnal life of diurnal birds. Journal of Biological Rhythms. 24: 225-31. PMID 19465699 DOI: 10.1177/0748730409335349 |
0.459 |
|
| 2009 |
Helm B, Schwabl I, Gwinner E. Circannual basis of geographically distinct bird schedules. The Journal of Experimental Biology. 212: 1259-69. PMID 19376946 DOI: 10.1242/Jeb.025411 |
0.681 |
|
| 2009 |
Silverin B, Gwinner E, Van't Hof TJ, Schwabl I, Fusani L, Hau M, Helm B. Persistent diel melatonin rhythmicity during the Arctic summer in free-living willow warblers. Hormones and Behavior. 56: 163-8. PMID 19374903 DOI: 10.1016/J.Yhbeh.2009.04.002 |
0.739 |
|
| 2009 |
Tieleman BI, Versteegh MA, Fries A, Helm B, Dingemanse NJ, Gibbs HL, Williams JB. Genetic modulation of energy metabolism in birds through mitochondrial function. Proceedings. Biological Sciences / the Royal Society. 276: 1685-93. PMID 19324832 DOI: 10.1098/Rspb.2008.1946 |
0.312 |
|
| 2008 |
Illera JC, Richardson DS, Helm B, Atienza JC, Emerson BC. Phylogenetic relationships, biogeography and speciation in the avian genus Saxicola. Molecular Phylogenetics and Evolution. 48: 1145-54. PMID 18571939 DOI: 10.1016/J.Ympev.2008.05.016 |
0.324 |
|
| 2008 |
Versteegh MA, Helm B, Dingemanse NJ, Tieleman BI. Repeatability and individual correlates of basal metabolic rate and total evaporative water loss in birds: a case study in European stonechats. Comparative Biochemistry and Physiology. Part a, Molecular & Integrative Physiology. 150: 452-7. PMID 18571446 DOI: 10.1016/J.Cbpa.2008.05.006 |
0.35 |
|
| 2008 |
Wikelski M, Martin LB, Scheuerlein A, Robinson MT, Robinson ND, Helm B, Hau M, Gwinner E. Avian circannual clocks: adaptive significance and possible involvement of energy turnover in their proximate control. Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences. 363: 411-23. PMID 17638688 DOI: 10.1098/Rstb.2007.2147 |
0.732 |
|
| 2008 |
Flinks H, Helm B, Rothery P. Plasticity of moult and breeding schedules in migratory European Stonechats Saxicola rubicola Ibis. 150: 687-697. DOI: 10.1111/J.1474-919X.2008.00833.X |
0.477 |
|
| 2008 |
Woog F, Wink M, Rastegar-Pouyani E, Gonzalez J, Helm B. Distinct taxonomic position of the Madagascar stonechat (Saxicola torquatus sibilla) revealed by nucleotide sequences of mitochondrial DNA Journal of Ornithology. 149: 423-430. DOI: 10.1007/S10336-008-0290-1 |
0.303 |
|
| 2007 |
Kumar V, Rani S, Malik S, Trivedi AK, Schwabl I, Helm B, Gwinner E. Daytime light intensity affects seasonal timing via changes in the nocturnal melatonin levels. Die Naturwissenschaften. 94: 693-6. PMID 17406847 DOI: 10.1007/S00114-007-0243-1 |
0.615 |
|
| 2007 |
Hedenström A, Barta Z, Helm B, Houston AI, McNamara JM, Jonzén N. Migration speed and scheduling of annual events by migrating birds in relation to climate change Climate Research. 35: 79-91. DOI: 10.3354/Cr00715 |
0.425 |
|
| 2006 |
Helm B, Gwinner E. Migratory restlessness in an equatorial nonmigratory bird. Plos Biology. 4: e110. PMID 16555925 DOI: 10.1371/Journal.Pbio.0040110 |
0.605 |
|
| 2006 |
Helm B. Zugunruhe of migratory and non-migratory birds in a circannual context Journal of Avian Biology. 37: 533-540. DOI: 10.1111/J.2006.0908-8857.03947.X |
0.413 |
|
| 2006 |
Helm B, Piersma T, van der Jeugd H. Sociable schedules: interplay between avian seasonal and social behaviour Animal Behaviour. 72: 245-262. DOI: 10.1016/J.Anbehav.2005.12.007 |
0.396 |
|
| 2006 |
van Noordwijk AJ, Pulido F, Helm B, Coppack T, Delingat J, Dingle H, Hedenström A, van der Jeugd H, Marchetti C, Nilsson A, Pérez-Tris J. A framework for the study of genetic variation in migratory behaviour Journal of Ornithology. 147: 221-233. DOI: 10.1007/S10336-005-0047-Z |
0.371 |
|
| 2005 |
Helm B, Gwinner E, Trost L. Flexible seasonal timing and migratory behavior: results from stonechat breeding programs. Annals of the New York Academy of Sciences. 1046: 216-27. PMID 16055855 DOI: 10.1196/Annals.1343.019 |
0.632 |
|
| 2005 |
Helm B, Gwinner E. Carry-over effects of day length during spring migration Journal of Ornithology. 146: 348-354. DOI: 10.1007/S10336-005-0009-5 |
0.603 |
|
| 1999 |
Helm B, Gwinner E. Timing of postjuvenal molt in African (Saxicola torquata axillaris) and European (Saxicola torquata rubicola) stonechats: Effects of genetic and environmental factors Auk. 116: 589-603. DOI: 10.2307/4089321 |
0.615 |
|
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