Thermoregulation in the semi-aquatic yellow anaconda, Eunectes notaeus |
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| Authors: | Suzanne McConnachie Sara N Greene Michael R Perrin |
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| Institution: | School of Biological and Conservation Sciences, University of KwaZulu-Natal, Private Bag X01, Scottsville 3209, South Africa |
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| Abstract: | - 1.
- Various factors affect a reptile's capacity for thermoregulation and most studies have focussed on terrestrial species.
- 2.
- We investigated the thermoregulatory abilities of the yellow anaconda (Eunectes notaeus) in terms of selected body temperature (Tsel), set-point range (Tset) and body posture in terrestrial and aquatic thermal mosaics.
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- Yellow anacondas selected higher body temperatures (Tb) and have a narrower Tset in a terrestrial environment than in an aquatic one.
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- Coiled body postures were most frequently observed and were generally associated with higher Tb.
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| Keywords: | Ectotherm Selected body temperature Set-point range Snake Thermoregulatory behaviour Thermoregulation |
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