Kempenaers, Bart Reproductive Biology and Behaviour Group ; Verhaltensphysiologie, Seewiesen, Max Planck Institut für Ornithologie, Max Planck Society;
Kempenaers, B., Everding, S., Bishop, C., Boag, P., & Robertson, R. J. (2001). Extra-pair paternity and the reproductive role of male floaters in the tree swallow (Tachycineta bicolor). Behavioral Ecology and Sociobiology, 49(4), 251-259. doi:10.1007/s002650000305.