The peculiar case of an insectivorous iguanid lizard that detects chemical cues from prey
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Labra, Antonieta
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The peculiar case of an insectivorous iguanid lizard that detects chemical cues from prey
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Ecological and phylogenetic factors determine which sensory modalities organisms use in their day-to-day activities. Among lizards, empirical studies indicate a tight association between foraging strategies and the ability to detect chemical cues from prey. Consequently, ambush insectivores do not detect food chemicals and these differences have a phylogenetic basis, as ambush lizards mainly belong to the Iguania clade. These data contrast, however, with the widespread uses of chemoreception in the Iguania genus Liolaemus, which are mostly insectivorous ambush predators. Moreover, observations from different Liolaemus species suggest a capability to find prey through chemoreception. In order to clarify the abilities of Liolaemus to detect chemical cues from prey, the chemoreceptive behavior of the insectivorous ambush predator, L. lemniscatus, was studied. Lizards were given the choice between areas with and without chemical cues from a food item (mealworms). Results show that test ani
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URI: https://repositorio.uchile.cl/handle/2250/154601
DOI: 10.1007/s00049-007-0369-9
ISSN: 09377409
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Chemoecology, Volumen 17, Issue 2, 2018, Pages 103-108
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