Sol, Daniel
Maspons, Joan
Gonzalez-Voyer, Alejandro
Morales-Castilla, Ignacio
Garamszegi, László Zsolt
Møller, Anders Pape
Funding for this research was provided by:
Proyecto Plan Estatal Español (CGL2013-47448-P)
Article History
Received: 24 May 2017
Revised: 31 August 2017
Accepted: 7 February 2018
First Online: 15 March 2018
Compliance with ethical standards
:
: The study was conducted in accordance with the current laws in all visited countries. We recorded FID by approaching birds in the field until they flew away. However, this activity is similar to what birds experience when people walk around in urban environments, and there are no known negative effects of such activities on the behavior of birds.
: The authors declare that they have no conflicts of interest.