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APA Citation
Seneviratne, S. S., Davidson, P., Martin, K., & Irwin, D. E. (2016). low levels of hybridization across two contact zones among three species of woodpeckers (Sphyrapicus sapsuckers). Journal of avian biology, 47, 887–898. http://access.bl.uk/ark:/81055/vdc_100039705345.0x000019