Factors influencing wind turbine avoidance behaviour of a migrating soaring bird

Santos, Carlos D.; Ramesh, Hariprasath; Ferraz, Rafael; Franco, Aldina M. A.; Wikelski, Martin

Factors influencing wind turbine avoidance behaviour of a migrating soaring bird

Dateien

Santos_2-1fvhu2dd4c2ey3.pdfGröße: 1.74 MBDownloads: 35

Datum

2022

Autor:innen

Santos, Carlos D.

Ramesh, Hariprasath

Ferraz, Rafael

Franco, Aldina M. A.

Wikelski, Martin

Open Access-Veröffentlichung

Open Access Gold

Sammlungen

Exzellenzcluster "Centre for the Advanced Study of Collective Behaviour"
Biologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Scientific Reports. Springer Nature. 2022, 12(1), 6441. eISSN 2045-2322. Available under: doi: 10.1038/s41598-022-10295-9

Zusammenfassung

Wind energy production has expanded as an alternative to carbon emitting fossil fuels, but is causing impacts on wildlife that need to be addressed. Soaring birds show concerning rates of collision with turbine rotor blades and losses of critical habitat. However, how these birds interact with wind turbines is poorly understood. We analyzed high-frequency GPS tracking data of 126 black kites (Milvus migrans) moving near wind turbines to identify behavioural mechanisms of turbine avoidance and their interaction with environmental variables. Birds flying within 1000 m from turbines and below the height of rotor blades were less likely to be oriented towards turbines than expected by chance, this pattern being more striking at distances less than 750 m. Within the range of 750 m, birds showed stronger avoidance when pushed by the wind in the direction of the turbines. Birds flying above the turbines did not change flight directions with turbine proximity. Sex and age of birds, uplift conditions and turbine height, showed no effect on flight directions although these factors have been pointed as important drivers of turbine collision by soaring birds. Our findings suggest that migrating black kites recognize the presence of wind turbines and behave in a way to avoid then. This may explain why this species presents lower collision rates with wind turbines than other soaring birds. Future studies should clarify if turbine avoidance behaviour is common to other soaring birds, particularly those that are facing high fatality rates due to collision.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Zitieren

ISO 690

SANTOS, Carlos D., Hariprasath RAMESH, Rafael FERRAZ, Aldina M. A. FRANCO, Martin WIKELSKI, 2022. Factors influencing wind turbine avoidance behaviour of a migrating soaring bird. In: Scientific Reports. Springer Nature. 2022, 12(1), 6441. eISSN 2045-2322. Available under: doi: 10.1038/s41598-022-10295-9

BibTex

@article{Santos2022Facto-57351,
  year={2022},
  doi={10.1038/s41598-022-10295-9},
  title={Factors influencing wind turbine avoidance behaviour of a migrating soaring bird},
  number={1},
  volume={12},
  journal={Scientific Reports},
  author={Santos, Carlos D. and Ramesh, Hariprasath and Ferraz, Rafael and Franco, Aldina M. A. and Wikelski, Martin},
  note={Article Number: 6441}
}

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