Phylogenetic signal in the song of Crests and Kinglets (Aves, Regulus)

Päckert M., Martens J., Kosuch J., Nazarenko A., Veit M.

Evolution 2003; 57(3): 616-629

DOI 10.1554/0014-3820(2003)057[0616:PSITSO]2.0.CO;2