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dc.contributor.authorValido, Alfredo-
dc.contributor.authorNogales, Manuel-
dc.identifier.citationAmphibia-Reptilia 24: pp. 331-334 (2003)en_US
dc.description.abstractOmnivorous endemic Canarian lacertids (Gallotia atlantica and G. galloti) do not present any specific digestive and physiological adaptations to herbivorous diet, compared to species and populations with a different degree of herbivory in the Canarian archipelago. The only charactristics that could be related to the type of diet were the number of cusps per tooth (between species) and the number of small stones contained in droppings (between species and populations). The rest of measured traits were correlated with lizard size and for this reason G. galloti has longer intestines, heavier stomachs and livers, more teeth and cusps, and longer gut passage. These data suggets that body size is a major determinant of the reliance on plant food (mainly flesh fruits) in these lizards and facilitates mutualistic interactions with fleshy-fruited plant species.en_US
dc.description.sponsorshipWe thank Luisa Hernández and Manuel Valido "Pololo" for assisting We thank Luisa Hernández and Manuel Valido "Pololo" for assisting us during the follow up of the GPT experiments. Félix Medina "Feluco" and Juan Carlos Sánchez captured some lizards and provided us with preserved specimens, respectively. Jaime Urioste gave us insects during the GPT experimental period, and the Servicio Electrónico de la Universidad de La Laguna assembled the control system of the climatic chamber. Pedro Jordano helped us to plan the experiments and encouraged in several ways at all stages of development of this study. Mario Díaz and specially Pedro Jordano, Francisco Bozinovic, Donald B. Miles, Raoul Van Damme and two anonymous referees improved and initial manuscript with useful comments. The control system used in the GPT experiments was supported by Dirección General de Universidades e Investigación del Gobierno de Canarias (grant 93/150).en_US
dc.format.extent165625 bytes-
dc.publisherBrill Academic Publishersen_US
dc.titleDigestive ecology of two omnivorous Canarian lizard species (Gallotia, Lacertidae)en_US
dc.description.peerreviewedPeer revieweden_US
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