Locomotor activity rhythm and sun compass orientation in the sandhopper Talitrus saltator are related

@article{Ugolini2007LocomotorAR,
  title={Locomotor activity rhythm and sun compass orientation in the sandhopper Talitrus saltator are related},
  author={Alberto Ugolini and Silvia Somigli and Vittorio Pasquali and Paolo Renzi},
  journal={Journal of Comparative Physiology A},
  year={2007},
  volume={193},
  pages={1259-1263}
}
The sandhopper Talitrus saltator has an endogenous activity rhythm with a circadian periodicity. It is well known for its ability to compensate for the apparent movement of the sun during its migrations along the sea–land axis of the beach. Both chronometric mechanisms are entrained by the natural LD photoperiod. Using actographic recordings and tests of solar orientation of individuals kept under an LD 12:12 clock-shifted cycle, after 1–13 days of treatment, we demonstrate that the timing… CONTINUE READING

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