About the Authors
- Eva Maria Luef
-
Affiliation Max Planck Institute for Ornithology, Humboldt Research Group “Comparative Gestural Signalling,” Seewiesen, Germany
- Simone Pika
-
* E-mail: spika@orn.mpg.de
Affiliation Max Planck Institute for Ornithology, Humboldt Research Group “Comparative Gestural Signalling,” Seewiesen, Germany
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: EML SP. Performed the experiments: EML SP. Analyzed the data: EML SP. Wrote the paper: EML SP.