Heating and cooling rates of eastern diamondback rattlesnakes,Crotalus adamanteus |
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| Affiliation: | 1. Department of Anatomy, Embryology and Physiology, Academic Medical Center, University of Amsterdam, The Netherlands;2. Department of Biology and Environmental Science, Linnaeus University, Kalmar, Sweden;3. Louisiana Department of Wildlife and Fisheries, Rockefeller Wildlife Refuge, Grand Chenier, LA 70643, USA;4. Zoophysiology, Department of Bioscience, Aarhus University, Denmark;5. Department of Biological Sciences, Developmental Integrative Biology Cluster, University of North Texas, Denton, TX 76203-5017, USA |
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| Abstract: | - 1.Establishing if and how organisms modulate temperature changes is an important component of understanding their thermal biology.
- 2.We used temperature-sensitive radio-transmitters to monitor heating and cooling rates between 5 and 35 °C of four Crotalus adamanteus in the laboratory.
- 3.We found no difference between heating and cooling rates in C. adamanteus. Additionally, rates of temperature change mirrored those of a biophysical model, further suggesting a lack of physiological thermoregulation.
- 4.Our findings contrast previously published studies that demonstrate active temperature control of similarly sized reptiles and demonstrate a need for more investigations of physiological thermoregulation in reptiles.
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