Fig. 3
From: Assessing nest attentiveness of Common Terns via video cameras and temperature loggers
The mean nest temperature and concurrent ambient temperature of successful (black icons) and failed (hollow icons) Common Tern nests on Poplar Island, and failed nests on Skimmer Island by time of day during periods when adults were on (triangles) and off (circles) of the nest. Error bars indicate standard error. Only data classified as natural bouts with paired iButton data and ambient temperature data are included in this figure