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1 December 2005 Hind-Limb Length Plasticity in Anolis carolinensis
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Abstract

The positive relationship between hind-limb length and perch diameter is well established in Anolis lizards, both among populations of some species and among species. Interspecific comparisons indicate that longer legs confer an advantage for increased running speed on broad substrates, whereas shorter limbs provide greater maneuverability on narrow surfaces. In this light, phenotypic plasticity for hind-limb length previously detected in Anolis sagrei may be adaptive because hatchlings exposed to only broad substrates developed relatively longer hind limbs for their body size compared to hatchlings exposed to only narrow substrates. We tested the generality of hind-limb length plasticity in Anolis by conducting a hatchling growth experiment on Anolis carolinensis, a distant relative of A. sagrei and a different type of habitat specialist. Similar to A. sagrei, A. carolinensis grown in cages with different sized perches showed hind-limb length plasticity, but the magnitude of difference between treatments and sexes was less for A. carolinensis than for A. sagrei. This finding suggests either hind-limb plasticity is widespread within the genus Anolis or that it has evolved independently at least twice.

Jason J. Kolbe and Jonathan B. Losos "Hind-Limb Length Plasticity in Anolis carolinensis," Journal of Herpetology 39(4), 674-678, (1 December 2005). https://doi.org/10.1670/87-05N.1
Accepted: 1 August 2005; Published: 1 December 2005
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