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APA Citation
Pardo, M. A., Hayes, C. E., Walters, E. L., & Koenig, W. D. (2020). acorn woodpeckers vocally discriminate current and former group members from nongroup members. Behavioral ecology, 31, 1120–1128. http://access.bl.uk/ark:/81055/vdc_100116582367.0x00002b