Caorsi, Valentina
Sprau, Philipp
Zollinger, Sue Anne
Brumm, Henrik http://orcid.org/0000-0002-6915-9357
Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (Br2309/9-1, SP 1450/3-1)
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES No. 88881.135522/2016-01)
Deutsche Forschungsgemeinschaft (BR2309/8-2)
Article History
Received: 16 May 2018
Revised: 28 November 2018
Accepted: 4 December 2018
First Online: 25 January 2019
Compliance with ethical standards
:
: Permits to set up the nest boxes and collect the data were obtained from the Bavarian government and the Bavarian regional office for forestry LWF (permit numbers 55.2-1-54-2532-140-11; 55.2-1-54-2532-59-12). All applicable international, national, and/or institutional guidelines for the use of animals were followed.
: The authors declare that they have no conflict of interest.