Taxonomic and Phylogenetic Utility of Variation in Advertising Calls of Francolins and Spurfowls (Galliformes: Phasianidae)

Systematists have not often made use of avian vocalizations to assess the taxonomic rank of birds, or to infer their phylogenetic relationships. The likely reasons for this stem from the perceived inability to distinguish genetic and ecological components of variation in vocalizations, the difficult... View More