Ecology of Xenosaurus grandis agrenon, a Knob-Scaled Lizard from Oaxaca, México

We studied the ecology of a population of the mountain knob-scaled lizard, Xenosaurus grandis agrenon, from Oaxaca, México. Males and females did not differ in body size (SVL), but males did have larger heads and hind limbs than females. Mean litter size was 3.2. Sex ratio did not differ from 1:1. A...

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Veröffentlicht in:Journal of herpetology 2003-03, Vol.37 (1), p.192-196
Hauptverfasser: Lemos-Espinal, Julio A, Smith, Geoffrey R, Ballinger, Royce E
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creator Lemos-Espinal, Julio A
Smith, Geoffrey R
Ballinger, Royce E
description We studied the ecology of a population of the mountain knob-scaled lizard, Xenosaurus grandis agrenon, from Oaxaca, México. Males and females did not differ in body size (SVL), but males did have larger heads and hind limbs than females. Mean litter size was 3.2. Sex ratio did not differ from 1:1. All lizards were found associated with crevices. The size of the crevice (thickness and depth) increased with lizard SVL. Mean body temperature was 25.6°C. Body temperature was related to air and substrate temperature. Body temperature was influenced by the amount of cover, and the lizard's body position in its crevice but not by sex, month, vegetation type, or any crevice characteristics. We compare the ecology of this population to that of other Xenosaurus.
doi_str_mv 10.1670/0022-1511(2003)037[0192:EOXGAA]2.0.CO;2
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source Jstor Complete Legacy; BioOne Complete
subjects Biological taxonomies
Body size
Body temperature
CONTENTS
Ecology
Female animals
Litter size
Lizards
Male animals
Population ecology
Sexual dimorphism
title Ecology of Xenosaurus grandis agrenon, a Knob-Scaled Lizard from Oaxaca, México
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