Person:
Fontanillas Pérez, Juan Carlos

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First Name
Juan Carlos
Last Name
Fontanillas Pérez
URI
https://hdl.handle.net/20.500.14352/80611
Affiliation
Universidad Complutense de Madrid
Faculty / Institute
Veterinaria
Department
Fisiología
Area
Zoología
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Start date: 2000 × Subject: 636.98 ×

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    Reaction to Novel Objects and Fecal Glucocorticoid Metabolite Levels in Two Species of Nocturnal Geckos
    (Animals, 2023) Fernández-Lázaro, Gloria; Latorre, Roberto; Fontanillas Pérez, Juan Carlos; Barja, Isabel
    Many reptiles are maintained in captivity and heavily traded, although welfare measures for many species are not well established and are under-researched compared to other animals. In this study, we focused on two of these species: crested geckos (Correlophus ciliatus) and leopard geckos (Eublepharis macularius). To better interpret their behavior in captivity, the individual reaction to novel objects and the fecal glucocorticoid metabolite levels were measured in an attempt to identify the potential correlation between them. Also, we explored if some characteristic of the objects (e.g., color, shape, or smell) resulted in being more attractive to some species and/or individuals. Equivalent responses to different objects were not obtained for all the geckos, the behavioral response being highly individual and context-dependent, although modulated by the species. Individuals which manipulated earlier and interacted longer with novel objects showed lower basal fecal corticosterone metabolite (FCM) levels. Differences according to the species suggested that crested geckos have significantly greater and more variable FCM levels than leopard geckos. Our results can help to understand the reaction of geckos to novelty and have the potential to serve in their welfare assessment, although more studies are needed to proper establish welfare protocols.