Original Research

Phylogenetic and Ontogenetic determinants of sprint performance in some diurnal Kalahari Lizards

R. B Huey
Koedoe | Vol 25, No 1 | a602 | DOI: https://doi.org/10.4102/koedoe.v25i1.602 | © 1982 R. B Huey | This work is licensed under CC Attribution 4.0
Submitted: 01 December 1982 | Published: 02 December 1982

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R. B Huey, University of Washington, United States

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Abstract

Sprint capacities (maximum speed, acceleration, stride length, stride frequency) of diurnal lizards from the Kalahari were measured on sandy substrates in the laboratory. Despite major interfamilial differences in body sizes and in body proportions, measures of sprint capacity were remarkably similar among families: some heavy bodied skinks ran as fast as did some sleek lacertids. Sprint capacities change during ontogeny in lizards. Maximum speed, stride length, and possibly acceleration all increase with size and presumably with age.

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