Is physiological performance optimized by thermoregulatory behavior?: A case study of the eastern fence lizard, Sceloporus undulatus

Michael J. Angilletta; Tracy Hill; Michael A. Robson

doi:10.1016/S0306-4565(01)00084-5

Is physiological performance optimized by thermoregulatory behavior? A case study of the eastern fence lizard, Sceloporus undulatus

Michael J. Angilletta, Tracy Hill, Michael A. Robson

Research output: Contribution to journal › Article › peer-review

208 Scopus citations

Abstract

Eastern fence lizards (Sceloporus undulatus) exhibit a distinct thermal preference that might be related to the thermal optimum for physiological performance. Sprint speed and treadmill endurance of S. undulatus were insensitive to body temperature in the ranges of 28-38°C and 25-36°C, respectively. Both locomotor and digestive performances are optimized at the preferred body temperature of S. undulatus, but thermoregulatory behavior is more closely related to the thermal sensitivity of digestive performance than that of locomotor performance.

Original language	English (US)
Pages (from-to)	199-204
Number of pages	6
Journal	Journal of Thermal Biology
Volume	27
Issue number	3
DOIs	https://doi.org/10.1016/S0306-4565(01)00084-5
State	Published - 2002
Externally published	Yes

Keywords

Body temperature
Coadaptation
Endurance
Sceloporus
Sprint speed
Thermal optimum
Thermal sensitivity

ASJC Scopus subject areas

Biochemistry
Physiology
Agricultural and Biological Sciences(all)
Developmental Biology

Access to Document

10.1016/S0306-4565(01)00084-5

Cite this

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abstract = "Eastern fence lizards (Sceloporus undulatus) exhibit a distinct thermal preference that might be related to the thermal optimum for physiological performance. Sprint speed and treadmill endurance of S. undulatus were insensitive to body temperature in the ranges of 28-38°C and 25-36°C, respectively. Both locomotor and digestive performances are optimized at the preferred body temperature of S. undulatus, but thermoregulatory behavior is more closely related to the thermal sensitivity of digestive performance than that of locomotor performance.",

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