by Crates, Ross A., Firth, Josh A., Farine, Damien R., Garroway, Colin J., Kidd, Lindall R., Aplin, Lucy M., Radersma, Reinder, Milligan, Nicole D., Voelkl, Bernhard, Culina, Antica, Verhelst, Brecht L., Hinde, Camilla A., Sheldon, Ben C.
Published in Journal of avian biology (01.09.2016)

by Firth, Josh A., Verhelst, Brecht L., Crates, Ross A., Garroway, Colin J., Sheldon, Ben C.
Published in Journal of avian biology (01.10.2018)