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The cost of producing a sexual signal: testosterone increases the susceptibility of male lizards to ectoparasitic infestation
Alfredo Salvador, Jose P. Veiga," Jose Martin,*'' Pilar Lopez,* Maria Abelenda, and Marisa Puerta Departamento de Ecologia Evolutiva, Museo Nacional de Ciencias Naturales, C.S.I.C., J. GutierrezExpand
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Reproductive effort affects immune response and parasite infection in a lizard : a phenotypic manipulation using testosterone
Life-history theory predicts that there is a trade-off between reproductive effort and several traits that determine fitness. Infectious disease has gained acceptance as a crucial factor linking bothExpand
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Amphibians of Northwest Africa
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Correlates of reproductive success in male lizards of the alpine species Iberolacerta cyreni
We followed a field population of the alpine lizard Iberolacerta cyreni over 2 consecutive breeding seasons and assigned paternity to the offpring using 8 microsatellite markers. Paternity data,Expand
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Microhabitat selection by the Iberian rock lizard Lacerta monticola: Effects on density and spatial distribution of individuals
We describe microhabitat selection in the Iberian rock lizard Lacerta monticola, a species endemic to some high mountains of the Iberian peninsula. This species is potentially threatened, inExpand
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Mediterranean hatchling lizards grow faster at higher altitude: a reciprocal transplant experiment
Summary 1In reptiles, growth is subject to proximate environmental influences, such as food availability and temperature, that may be crucial during the early stages of postnatal development.Expand
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Tail Loss and Foraging Tactics of the Iberian Rock-Lizard, Lacerta monticola
Many lizards autotomize their tail to escape when attacked by a predator. The foraging tactics of tailless lizards may be affected by changes in behavior aimed at compensating tail loss per se asExpand
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Reproductive Phenology and Temporal Patterns of Mate Access in Mediterranean Anurans
Acknowledgments.-We are indebted to J. H. Harding for field assistance in obtaining the specimens of Storeria occipitomaculata, to H. A. Dundee for helping to support the fieldwork, to K. M. BrownExpand
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