2003
DOI: 10.1086/376423
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Sex‐Based Differences and Similarities in Locomotor Performance, Thermal Preferences, and Escape Behaviour in the LizardPlatysaurus intermedius wilhelmi

Abstract: Differences between sexes in physiological performance have received little attention in animals. We tested for sex differences in maximum sprint speed and maximal exertion over a range of temperatures in a population of Platysaurus intermedius wilhelmi lizards. We also examined sex-based differences in selected temperature range, mean field body temperatures (T(b)), and thermal activity limits. Finally, we conducted field studies to quantify male and female responses to a potential predator, which may be affe… Show more

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Cited by 100 publications
(97 citation statements)
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“…Therefore, selection on performance traits is frequently predicted to be sex-dependent (Lailvaux 2007;Irschick et al 2008;Van Damme et al 2008;Noble et al 2014), and this may in turn influence escape behaviour in different ways for males and females. Typically, males are predicted to delay fleeing and run shorter distances in escaping because males are usually reported to run faster and longer than females by virtue of differences in morphology and higher testosterone levels (Klukowski et al 1998;Lailvaux et al 2003;Noble et al 2014). Conversely, females may adjust their escape behaviour and rely more on crypsis if their performance capacity is reduced (Vanhooydonck et al 2007;Goodman et al 2008).…”
Section: Introductionmentioning
confidence: 99%
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“…Therefore, selection on performance traits is frequently predicted to be sex-dependent (Lailvaux 2007;Irschick et al 2008;Van Damme et al 2008;Noble et al 2014), and this may in turn influence escape behaviour in different ways for males and females. Typically, males are predicted to delay fleeing and run shorter distances in escaping because males are usually reported to run faster and longer than females by virtue of differences in morphology and higher testosterone levels (Klukowski et al 1998;Lailvaux et al 2003;Noble et al 2014). Conversely, females may adjust their escape behaviour and rely more on crypsis if their performance capacity is reduced (Vanhooydonck et al 2007;Goodman et al 2008).…”
Section: Introductionmentioning
confidence: 99%
“…We currently have few tests of sex-based differences in escape behaviour or performance capacity in lizards (Lailvaux et al 2003;Martin et al 2009;Noble et al 2014). For example, Lailvaux et al (2003) found sexual differences in sprint speed but no differences in endurance in the lizard Platysaurus intermedius wilhelmi, and males were found to take refuge earlier and flee farther than females.…”
Section: Introductionmentioning
confidence: 99%
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“…Also, in several cases, there are differences between the escape tactics of males and females. For example, in lizards with sexually dichromatic coloration, males, with more conspicuous colorations, have longer FIDs than females in some species (Lailvaux et al, 2003;Martín & López, 1999a) but not in others (Smith, 1996(Smith, , 1997Cooper & Wilson, 2007;Whiting, 2002). Male green lizards, Lacerta viridis, have longer FIDs than females before and after the mating season, but during the mating season the difference dissipates (Majláth & Majláthová, 2009).…”
Section: Introductionmentioning
confidence: 99%