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Song structure and repertoire variation in ortolan bunting (Emberiza hortulana L.) from isolated Norwegian population
This paper describes song structure and repertoire variation in ortolan buntings (Emberiza hortulana) from an isolated and declining Norwegian population, analysed by using the minimal unit ofExpand
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Frequency shift in homologue syllables of the Ortolan Bunting Emberiza hortulana
Results of this study indicate that in the Ortolan Bunting Emberiza hortulana, syllables of the same shape on sonograms (i.e. homologue syllables) often significantly differ between males inExpand
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What makes a ‘local song’ in a population of ortolan buntings without a common dialect?
Ortolan buntings, Emberiza hortulana, have local dialects in central and southern Europe. Neighbouring males typically share the same final phrase of a song, which seems to be important for dialectExpand
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Signal value of alternating and overlapping singing in the Yellowhammer Emberiza citrinella
Interactive playback experiments were used to study the signal value of alternating and overlapping singing in the Yellowhammer Emberiza citrinella. We carried out interactive playback experiments inExpand
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Effects of season, plasma testosterone and body size on corncrake (Crex crex) call rhythm
We tested whether the temporal parameters of corncrake (Crex crex) call change seasonally and/or individually. We defined a new, compound variable called RHYTHM, which quantitatively describes howExpand
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Song repertoire and microgeographic variation in song types distribution in the corn bunting Miliaria calandra from Poland
Corn buntings in the Wielkopolska region (W Poland) show a clear local dialect pattern of microgeographic song variation only in relatively dense and stable populations, which inhabited typicalExpand
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Corn bunting (Miliaria calandra) males respond differently to alternating and overlapping playback of song
Interactive playback experiments were used to study the signal value to the corn bunting, Miliaria calandra, of alternating and overlapping singing. We subjected 15 males to two stimuli that differedExpand
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Ortolan Buntings Emberiza hortulana mimicking other species and other dialects of own species
We present new acoustically well-documented observations of Ortolan Bunting males from Norway, singing atypical songs with syllables copied from other species and from non-neighbouring, distantExpand
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