International Scholarly Research Notices

Research Article

Vocal Communication in Androgynous Territorial Defense by Migratory Birds

Table 2

Frequency of use of barks by both sexes of species in four taxonomic groups that defend nonbreeding territories.
Flycatchers ⇒ (64%)(14 species)
Thrushes ⇒ (100%)(6 species)
Warblers ⇒ (100%)(39 species)
Vireos ⇒ (0%)(9 species)