Fig. 3From: Development and utilization of implantable cardiac monitors in free-ranging American black and Eurasian brown bears: system evolution and lessons learnedActivity data (top panel) and average heart rates (HRs; bottom panel) for the Generation 2 device (GEN 2) with and without the BearWare software patch recorded from a pregnant female black bear hibernating in northern Minnesota. At the time of parturition (22-Jan-2013) the average HR can be seen to acutely increase with a marked reduction in activity in the subsequent daysBack to article page