Background: Soft song is a low-amplitude song produced by many birds. Recent studies have confirmed that soft song is an......

Background:As one of the most elaborate and diverse sexual signals,bird songs are prominent among mate choice criteria.F......

Background:Resemblance to raptors such as hawks(Accipiter spp.)is considered to be an adaptive strategy of cuckoos(Cucul......

Background: Birdsong is an important form of communication that plays an important role in territorial defense and mate ......