EVOLUTION OF BIRD SONG AFFECTS SIGNAL EFFICACY: AN EXPERIMENTAL

Ornaments are equally informative in male and female birds

How to use BirdNET - British Ornithologists' Union

Full article: Ability to alter song in two grassland songbirds exposed to simulated anthropogenic noise is not related to pre-existing variability

Birdsongs keep pace with city life: changes in song over time in an urban songbird affects communication - ScienceDirect

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Representative spectrogram of a black-capped song, b black-capped

Increased attenuation and reverberation are associated with lower maximum frequencies and narrow bandwidth of bird songs in cities

Factors affecting the individual adjustment of vocal amplitude and the

Molecular Ecology, Molecular Genetics Journal