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Supplemental Information

Recordings used in this study and original measurement data

Table S1 Recordings used in this study and original measurement data Recordings reserved by Beijing Normal University or Geoff J. Carey can be downloaded from Data S1. Other recordings can be downloaded from online databases (Macaulay Library [http://macaulaylibrary.org], Xeno-canto [http://www.xeno-canto.org], and AVoCet: Avian Vocalizations Center [http://avocet.zoology.msu.edu]).

DOI: 10.7287/peerj.preprints.1231v1/supp-1

Data S1 Recordings from our own data used in this study

Data S1 Cuckoo's Recordings from our own data used in this studySee Table S1 for location and measurement data of these recordings.

DOI: 10.7287/peerj.preprints.1231v1/supp-2

Additional Information

Competing Interests

Geoff Carey is an employee of AEC Ltd.

Author Contributions

Canwei Xia performed the experiments, analyzed the data, wrote the paper, prepared figures and/or tables, reviewed drafts of the paper.

Wei Liang conceived and designed the experiments, performed the experiments, wrote the paper, reviewed drafts of the paper.

Geoff J Carey contributed reagents/materials/analysis tools, wrote the paper, reviewed drafts of the paper.

Yanyun Zhang conceived and designed the experiments, performed the experiments, analyzed the data, wrote the paper, reviewed drafts of the paper.

Animal Ethics

The following information was supplied relating to ethical approvals (i.e., approving body and any reference numbers):

Permission for this study (recording cuckoo’s vocal) was granted by Ethic and Animal Welfare Committee in Beijing Normal University (license number CLS-EAW-2013-016).

Field Study Permissions

The following information was supplied relating to field study approvals (i.e., approving body and any reference numbers):

Fieldwork was carried out under the permission from Kuankuoshui and Dongzhai National Nature Reserves.

Funding

This work was funded by the National Natural Science Foundation of China (Nos. 31272328 and 31472013 to WL, 31172098 to YZ). The funders had no role in study design, data collection and analysis, decision to publish, or preparation of the manuscript.


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