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Barbara Helm

Showing results (21-30 of 84) with videos related to

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Plos One|July 9, 2009
Migratory status is not related to the susceptibility to HPAIV H5N1 in an insectivorous passerine speciesDonata Kalthoff, Angele Breithaupt, Barbara Helm, et al.
Proceedings. Biological Sciences|June 1, 2012
A tropical bird can use the equatorial change in sunrise and sunset times to synchronize its circannual clockWolfgang Goymann, Barbara Helm, Willi Jensen, et al.
Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology|June 24, 2008
Repeatability and individual correlates of basal metabolic rate and total evaporative water loss in birds: a case study in European stonechatsMaaike A Versteegh, Barbara Helm, Niels J Dingemanse, et al.
Journal of Experimental Zoology. Part A, Ecological and Integrative Physiology|February 8, 2024
Short-time exposure to light at night affects incubation patterns and correlates with subsequent body weight in great tits (Parus major)Aurelia F T Strauß, Lies Bosma, Marcel E Visser, et al.
Proceedings. Biological Sciences|January 21, 2025
Small intra-tropical long-distance migratory birds track rainy seasons across hemispheresYann Rime, Samuel Temidayo Osinubi, Felix Liechti, et al.
Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences|October 11, 2017
Timing avian long-distance migration: from internal clock mechanisms to global flightsSusanne Åkesson, Mihaela Ilieva, Julia Karagicheva, et al.
Oecologia|January 9, 2026
Female chronotype relates to lay date but not fitness in an island population of great titsAurelia F T Strauß, Barbara M Tomotani, Barbara Helm, et al.
BMC Evolutionary Biology|April 18, 2017
Testosterone, territorial response, and song in seasonally breeding tropical and temperate stonechatsBeate Apfelbeck, Kim G Mortega, Heiner Flinks, et al.
Proceedings of the National Academy of Sciences of the United States of America|June 2, 2016
Digital epidemiology reveals global childhood disease seasonality and the effects of immunizationKevin M Bakker, Micaela Elvira Martinez-Bakker, Barbara Helm, et al.
Oecologia|June 14, 2020
Bitter fruits of hard labour: diet metabarcoding and telemetry reveal that urban songbirds travel further for lower-quality foodCrinan Jarrett, Luke L Powell, Heather McDevitt, et al.
Pageof 9

Showing results (21-30 of 84) with videos related to

Sort By:
Pageof 9
Plos One|July 9, 2009
Migratory status is not related to the susceptibility to HPAIV H5N1 in an insectivorous passerine speciesDonata Kalthoff, Angele Breithaupt, Barbara Helm, et al.
Proceedings. Biological Sciences|June 1, 2012
A tropical bird can use the equatorial change in sunrise and sunset times to synchronize its circannual clockWolfgang Goymann, Barbara Helm, Willi Jensen, et al.
Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology|June 24, 2008
Repeatability and individual correlates of basal metabolic rate and total evaporative water loss in birds: a case study in European stonechatsMaaike A Versteegh, Barbara Helm, Niels J Dingemanse, et al.
Journal of Experimental Zoology. Part A, Ecological and Integrative Physiology|February 8, 2024
Short-time exposure to light at night affects incubation patterns and correlates with subsequent body weight in great tits (Parus major)Aurelia F T Strauß, Lies Bosma, Marcel E Visser, et al.
Proceedings. Biological Sciences|January 21, 2025
Small intra-tropical long-distance migratory birds track rainy seasons across hemispheresYann Rime, Samuel Temidayo Osinubi, Felix Liechti, et al.
Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences|October 11, 2017
Timing avian long-distance migration: from internal clock mechanisms to global flightsSusanne Åkesson, Mihaela Ilieva, Julia Karagicheva, et al.
Oecologia|January 9, 2026
Female chronotype relates to lay date but not fitness in an island population of great titsAurelia F T Strauß, Barbara M Tomotani, Barbara Helm, et al.
BMC Evolutionary Biology|April 18, 2017
Testosterone, territorial response, and song in seasonally breeding tropical and temperate stonechatsBeate Apfelbeck, Kim G Mortega, Heiner Flinks, et al.
Proceedings of the National Academy of Sciences of the United States of America|June 2, 2016
Digital epidemiology reveals global childhood disease seasonality and the effects of immunizationKevin M Bakker, Micaela Elvira Martinez-Bakker, Barbara Helm, et al.
Oecologia|June 14, 2020
Bitter fruits of hard labour: diet metabarcoding and telemetry reveal that urban songbirds travel further for lower-quality foodCrinan Jarrett, Luke L Powell, Heather McDevitt, et al.
Pageof 9