An Infrared Thermographic Study of Surface Temperature in Relation to External Thermal Stress in Three Species of Foxes: The Red Fox (Vulpes vulpes), Arctic Fox (Alopex lagopus), and Kit Fox (Vulpes macrotis)

@article{Klr1992AnIT,
  title={An Infrared Thermographic Study of Surface Temperature in Relation to External Thermal Stress in Three Species of Foxes: The Red Fox (Vulpes vulpes), Arctic Fox (Alopex lagopus), and Kit Fox (Vulpes macrotis)},
  author={Jan Kl{\'i}r and James Edward Heath},
  journal={Physiological Zoology},
  year={1992},
  volume={65},
  pages={1011 - 1021}
}
Temperatures of different body surface regions of unrestrained adult red, arctic, and kit foxes exposed to ambient temperatures (Ta) ranging from -25° to 33° C were measured by infrared (IR) thermography. Foxes are able to regulate heat exchange with their environment by controlling the temperature of the body surface. At Ta's well below zero, they are able to maintain all exposed surfaces above the freezing point by vasodilation and increased blood flow into these surface areas. The important… 
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