Blackbird (image) Helmholtz Association Caption Road noise and artificial light to ensure that birds in the city center in the morning up to five hours earlier active than their relatives in quieter neighborhoods. This is the result of a study of more than 400 blackbirds in Leipzig, which was "Loss of the Night" performed in the framework of the research network. Credit Photo: André Künzelmann / UFZ Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.