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Figure 2 | BMC Physiology

Figure 2

From: Monitoring the wild black bear's reaction to human and environmental stressors

Figure 2

Twelve month heart rate and activity data for two consecutive years from Bear 3 (#2213; female denning with cubs in 2009 and yearlings in 2010, and giving birth to cubs in 2011). Average daytime heart rate (blue; 08:00-20:00), average nightly heart rate (red; 0:00-04:00 AM), and daily activity (black line) are shown. Initiation of denning, elevated heart rates following device implantation and during den visit in mid-December, and a shift towards nocturnal behavior in the fall are evident. An expanded plot of the daily activity during the same portion of both winters is included. Bear 3 gave birth in January 2011 with a reduction in both activity and heart rate seen in subsequent days.

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