Locomotor impairment and defense in gravid lizards (Eumeces laticeps): behavioral shift in activity may offset costs of reproduction in an active forager

@article{Cooper2004LocomotorIA,
  title={Locomotor impairment and defense in gravid lizards (Eumeces laticeps): behavioral shift in activity may offset costs of reproduction in an active forager},
  author={William E. Cooper and Laurie J. Vitt and Richard Hedges and Raymond B. Huey},
  journal={Behavioral Ecology and Sociobiology},
  year={2004},
  volume={27},
  pages={153-157}
}
Female Eumeces laticeps experience a substantial decrease in running speed (ca. 25%) and an even greater loss of endurance (slightly over 50%) while gravid. Because some widely foraging lizards, including E. laticeps, rely primarily on running to escape predators, the decreases in speed and stamina may contribute to an increased risk of predation. However, observations suggest that gravid females become less active or conspicuous on the surface. Ambush foraging lizards rely relatively more on… CONTINUE READING
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