Dawn chorus interpretation differs when using songs or calls: the Dupont's Lark <i>Chersophilus duponti</i> case.

Results The only characteristic of singing activity related to the advance of the breeding season was singing output, since total number of songs uttered per male and night significantly increased in later surveys, while singing performance and singing start or ending time did not show a significant trend through surveys ( Table 1 , Fig. 3 ).

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Results We found that dawn singing parameters remained constant or presented an increasing trend while dawn calling activity decreased as breeding season advanced.

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