Behavior , Biochemistry , and Hibernation in Black , Grizzly , and Polar Bears 1

@inproceedings{Nelson2007BehaviorB,
  title={Behavior , Biochemistry , and Hibernation in Black , Grizzly , and Polar Bears 1},
  author={Ralph A. Nelson and G. Edgar Folk and E W Pfeiffer and J J Craighead and Charles Jonkel},
  year={2007}
}
Annual behavioral and biochemical patterns of black bears (Ursus americanus), grizzly bears (Ursus arctos horribilis), and polar bears (Ursus maritimus) were reviewed. We propose that black and grizzly bears show 4 annual physiological stages: Stage I-hibernation, in which lean body mass is preserved and body fat supplies energy; Stage II-walking hibernation, in which the biochemistry of hibernation is integrated with physical activity, but food and water intake are minimal; Stage Illnormal… CONTINUE READING

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