Fig. 6From: Body mass is associated with hibernation length, body temperature, and heart rate in free-ranging brown bearsDaytime summer heart rate (HR): Predicted mean HR (HR) for brown bears during summer and during day time with body mass of 40Â kg (orange solid line), and bears with body mass of 120Â kg (blue dashed line) and mean smoothed values for each bear summer (gray solid lines). Shaded areas display 95% confidence intervals. HR data from 1 June to 21 August measured between 10:00 and 22:00Back to article page