Nervous Control of Cold Defence in Birds

  • Eckhart Simon
Part of the NATO ASI Series book series (ASIAS, volume 173)


What is different in cold defence between mammals and birds? Actually nothing which might be important, if one compares their capacities for cold defence. As exemplified according to Scholander (1950) in Fig. 1, which contains in addition a few more recent data, the range of lower critical temperatures and the capacity in activating metabolic cold defence are comparable in mammals and birds inhabiting polar regions.


Core Temperature Brown Adipose Tissue Negative Temperature Coefficient Positive Temperature Coefficient Willow Ptarmigan 
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Copyright information

© Springer Science+Business Media New York 1989

Authors and Affiliations

  • Eckhart Simon
    • 1
  1. 1.Max-Planck-Institut für physiologische und klinische ForschungW.G.-Kerckhoff-InstitutBad NauheimGermany

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