<style face="normal" font="default" size="100%">How Early Do Birds Start Chirping? Dawn Chorus Onset and Peak Times in a Neotropical City</style>

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<style face="normal" font="default" size="100%">How Early Do Birds Start Chirping? Dawn Chorus Onset and Peak Times in a Neotropical City</style>

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<style face="normal" font="default" size="100%">Where has the city choir gone? Loss of the temporal structure of bird dawn choruses in urban areas</style>