Under cover of darkness: Refuge from artificial light at night may mitigate risks to stranded seabirds

Artificial light at night is an anthropogenic pollutant that has wide-ranging effects on wildlife. Fledgling seabirds of order Procellariiformes exhibit phototaxis toward artificial lights on their first flights from the nest, causing them to become grounded in human settlements, where they are subject to increased predation risk. Limited evidence suggests certain light types may be less attractive than others, yet there is also evidence for an aversion to light under certain circumstances. We investigated differences in phototactic behaviour, activity level, and shelter-seeking behaviour of grounded Hydrobates leucorhous (Leach’s storm-petrel) fledglings exposed to artificial light in three experiments: a Y-maze choice experiment, an open field test, and a modified open field test with a hide box provided (“Safe Haven test”). When provided with combinations of different light types in the Y-maze, storm-petrels typically remained stationary in the darkest parts of the apparatus (farthes..., , , # Under cover of darkness: Refuge from artificial light at night may mitigate risks to stranded seabirds [https://doi.org/10.5061/dryad.47d7wm3r3](https://doi.org/10.5061/dryad.47d7wm3r3) ## Description of the data and file structure We conducted three experiments, all with the overarching goal of studying behavioural responses of stranded fledgling Leach's Storm-Petrels (*Hydrobates leucorhous*) to artificial light in various contexts. There are thus three comma-delimited spreadsheet files available, one for each experiment, plus one additional comma-delimited file containing data used to create and apply a conversion factor to some of the data in one of our experiments (see description of \"petrel-openfield-audiovisual.csv\", below). The first experiment involved placing individuals in a Y-maze choice experiment with various combinations of two different artificial light types and quantifying the number of birds that responded to each type, specifically assessing any preferences for ...夜间人工光属于人为污染物，对野生生物具有广泛影响。鹱形目（Procellariiformes）的雏海鸟在首次离巢飞行时会表现出对人工光源的趋光性（phototaxis），导致它们在人类聚居地迫降，进而面临更高的捕食风险。现有有限证据表明，部分光类型的吸引力相对较弱，但也有研究显示在特定情境下海鸟会表现出对光照的回避行为。本研究通过三项实验，探究了迫降的白腰叉尾海燕（Leach’s storm-petrel, *Hydrobates leucorhous*）雏鸟在暴露于人工光环境下的趋光行为、活动水平及避蔽行为差异，包括Y型迷宫（Y-maze）选择实验、旷场试验（open field test），以及设置隐蔽箱的改良版旷场试验（"安全庇护所实验"，Safe Haven test）。当在Y型迷宫中提供不同光类型组合时，海燕通常会停留在装置最黑暗的区域（原文截断）…… # 《黑暗庇护所：规避夜间人工光可降低搁浅海鸟的生存风险》 [https://doi.org/10.5061/dryad.47d7wm3r3] ## 数据集与文件结构说明 本研究共开展三项实验，核心目标均为探究搁浅的白腰叉尾海燕雏鸟在不同情境下对人工光的行为响应。本次公开的数据集包含4个逗号分隔值（CSV）电子表格文件：其中3个分别对应三项实验的数据，剩余1个文件用于存储某一实验中部分数据的转换因子构建与应用所需的数据（详见下文"petrel-openfield-audiovisual.csv"说明）。第一项实验为Y型迷宫选择实验，将个体置于不同组合的双人工光环境中，统计对各光类型产生响应的个体数量，重点评估其对……