Fig. 5From: Development and utilization of implantable cardiac monitors in free-ranging American black and Eurasian brown bears: system evolution and lessons learnedHeart rate (HR) changes occurring during our approach to a black bear den in Minnesota during March of 2014. These data were collected using a Generation 2 (GEN 2) device with the BearWare software patch. An increase in heart rate occurred as the team moved to within ~ 40 meters of the den. The HR decreased following tranquilization as the anesthetic agent took effectBack to article page