Buzzes are used as signals of aggressive intent in Darwin’s finches
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DOI: 10.1093/biolinnean/blad152
Abstract: Signals of aggression may potentially reduce the fitness costs of conflict during agonistic interactions if they are honest. Here we examined whether the ‘buzz’ vocalization in two species of Darwin’s finches, the small tree finch,… read more here.
Keywords: criterion; used signals; signals aggressive; buzzes used ... See more keywords
Signal complexity communicates aggressive intent during contests, but the process is disrupted by noise
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DOI: 10.1098/rsbl.2018.0841
Abstract: Contestants use displays to signal their aggressive intent and settle disputes before they escalate. For birds, this is often in the form of song, which can vary in structural complexity. The role of song complexity… read more here.
Keywords: aggressive intent; complexity; process; signal complexity ... See more keywords