Funding for this research was provided by:
Division of Environmental Biology (1556577)
Purple Martin Conservation Association
New York State Bluebird Society
North American Bluebird Society
Received: 28 August 2019
Accepted: 7 January 2020
First Online: 10 January 2020
Ethics approval and consent to participate
: All fieldwork was completed under IACUC BIO02016N at the State University of New York at Buffalo, USA. All relevant permits and permissions were obtained including US Fish and Wildlife Service monitoring and special use permit. #2016-002); US Fish and Wildlife Service scientific collecting permit (MB83070B-0); Federal bird banding permit (#08066); New York State Department of Environmental Conservation temporary revocable permit; New York State Department of Environmental Conservation license to collect of possess (scientific) (#1976) and New York State Department of Environmental Conservation license to collect or possess (banding) (#179).
: Not applicable.
: The authors declare that they have no competing interests.