CSV file containing data used for statistical analysis comparing baseline heart rate (beats/10s) to heart rate in the presence of a polar bear in the manuscript “A colonial-nesting seabird shows limited heart rate responses to natural variation in threats of polar bears”.

All data used to compare common eider baseline heart rate (beats/10s) to heart rate in the presence of a polar bear on East Bay Island, Nunavut, Canada.本数据集涵盖的全部数据，用于对比加拿大努纳武特地区东湾岛的普通绒鸭（Common Eider）的基础心率（单位：每10秒心跳次数）与北极熊存在情境下的心率。