期刊
SCIENCE
卷 370, 期 6516, 页码 575-+出版社
AMER ASSOC ADVANCEMENT SCIENCE
DOI: 10.1126/science.abd5777
关键词
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资金
- U.S. National Science Foundation [1354763, 1354756, 1827290]
- NSF Postdoctoral Research Fellowship in Biology [1812280]
- Direct For Biological Sciences
- Division Of Integrative Organismal Systems [1354763, 1827290] Funding Source: National Science Foundation
- Direct For Biological Sciences
- Division Of Integrative Organismal Systems [1354756] Funding Source: National Science Foundation
- Direct For Biological Sciences
- Div Of Biological Infrastructure [1812280] Funding Source: National Science Foundation
Actions taken to control the coronavirus disease 2019 (COVID-19) pandemic have conspicuously reduced motor vehicle traffic, potentially alleviating auditory pressures on animals that rely on sound for survival and reproduction. Here, by comparing soundscapes and songs across the San Francisco Bay Area before and during the recent statewide shutdown, we evaluated whether a common songbird responsively exploited newly emptied acoustic space. We show that noise levels in urban areas were substantially lower during the shutdown, characteristic of traffic in the mid-1950s. We also show that birds responded by producing higher performance songs at lower amplitudes, effectively maximizing communication distance and salience. These findings illustrate that behavioral traits can change rapidly in response to newly favorable conditions, indicating an inherent resilience to long-standing anthropogenic pressures such as noise pollution.
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