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Ephemeral Pleistocene woodlands connect the dots for highland rattlesnakes of the Crotalus intermedius group
Aim  To test how Pleistocene climatic changes affected diversification of the Crotalus intermedius species complex. Location  Highlands of Mexico and the south-western United States (Arizona).Expand
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Infestación y distribución corporal de la nigua Eutrombicula alfreddugesi (Acari: trombiculidae) en el lacertilio de las rocas Sceloporus couchii (Sauria: phrynosomatidae)
We studied the infestation degree and corporal distribution of the chigger Eutrombicula alfreddugesi on the lizard Sceloporus couchii in a population of Santa Catarina, Nuevo Leon, Mexico. MostExpand
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A multilocus perspective on the speciation history of a North American aridland toad (Anaxyrus punctatus).
Interpretations of phylogeographic patterns can change when analyses shift from single gene-tree to multilocus coalescent analyses. Using multilocus coalescent approaches, a species tree andExpand
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Cannibalism of nonviable offspring by postparturient Mexican lance-headed rattlesnakes, Crotalus polystictus
Female vertebrates frequently ingest undeveloped ova and stillborn offspring. Two hypotheses have been proposed to interpret this behaviour: (1) it is a form of parental care, and (2) it recyclesExpand
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Ecotoxicological Biomarkers in Multiple Tissues of the Neotenic Ambystoma spp. for a Non-lethal Monitoring of Contaminant Exposure in Wildlife and Captive Populations
Amphibians are the most threatened vertebrate group with a third of currently known species endangered with extinction, as a result of climate change, habitat loss, disease-introduced exotic species,Expand
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Sexual Dimorphism in the Alligator Lizard Gerrhonotus infernalis (Sauria: Anguidae): Implications for Sexual Selection
Abstract Sexual dimorphism is common in many clades of reptiles. The Texas alligator lizard (Gerrhonotus infernalis) is a lizard distributed in North America, from Texas in the southern United StatesExpand
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Natural history notes
LIOPHIS MILIARIS (Common water snake): CANNIBALISM. Liophis miliaris is a medium size, semiaquatic and diurnal-nocturnal colubrid snake (Marques et al., 2001) usually associated with moistExpand
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Reproductive ecology of female Mexican lance‐headed rattlesnakes
Our understanding of snake biology is heavily biased towards species and populations occurring at higher latitudes. In particular, little information is available concerning the biology of theExpand
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Pollution biomarkers in the spiny lizard (Sceloporus spp.) from two suburban populations of Monterrey, Mexico
Environmental pollution may severely impact reptile species in urbanized areas. The magnitude of the impact is analyzed in the present study using lizard tail tips for the quantitative evaluation ofExpand
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