Blackcaps (Sylvia atricapilla) increase the whistle part of their song in response to simulated territorial intrusion
(2015)
Journal Article
Leedale, A., Collins, S., & de Kort, S. (2015). Blackcaps (Sylvia atricapilla) increase the whistle part of their song in response to simulated territorial intrusion. Ethology, 121(4), 403-409. https://doi.org/10.1111/eth.12349
Bird song is a sexually selected signal that serves two main functions, attracting a mate and deterring rivals. Different signal parameters may be important in advertising to females compared to advertising to rival males. Species solve the problem o... Read More about Blackcaps (Sylvia atricapilla) increase the whistle part of their song in response to simulated territorial intrusion.