Drupal-Bibcite0<style face="normal" font="default" size="100%">The sensitivity of breeding songbirds to changes in seasonal timing is linked to population change but cannot be directly attributed to the effects of trophic asynchrony on productivity</style><style face="normal" font="default" size="100%">The sensitivity of breeding songbirds to changes in seasonal timing is linked to population change but cannot be directly attributed to the effects of trophic asynchrony on productivity</style>