Lunar synchronization of daily activity patterns in a crepuscular avian insectivore

Ruben Evens, Céline Kowalczyk, Gabriel Norevik, Eddy Ulenaers, Batmunkh Davaasuren, Soddelgerekh Bayargur, Tom Artois, Susanne Åkesson, Anders Hedenström, Felix Liechti, Mihai Valcu, Bart Kempenaers

Forskningsoutput: TidskriftsbidragArtikel i vetenskaplig tidskriftPeer review


Biological rhythms of nearly all animals on earth are synchronized with natural light and are aligned to day-and-night transitions. Here, we test the hypothesis that the lunar cycle affects the nocturnal flight activity of European Nightjars (Caprimulgus europaeus). We describe daily activity patterns of individuals from three different countries across a wide geographic area, during two discrete periods in the annual cycle. Although the sample size for two of our study sites is small, the results are clear in that on average individual flight activity was strongly correlated with both local variation in day length and with the lunar cycle. We highlight the species’ sensitivity to changes in ambient light and its flexibility to respond to such changes in different parts of the world.

Sidor (från-till)7106-7116
Antal sidor11
TidskriftEcology and Evolution
Tidigt onlinedatum2020
StatusPublished - 2020 juli

Ämnesklassifikation (UKÄ)

  • Zoologi


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