Behavioral morphology of the pigeon's peck: ingestion, prehension and cognition.

@article{Zeigler1997BehavioralMO,
  title={Behavioral morphology of the pigeon's peck: ingestion, prehension and cognition.},
  author={Harmon Zeigler},
  journal={European journal of morphology},
  year={1997},
  volume={35 4},
  pages={255-68}
}
In nature, pecking involves the transport of a prehensile effector organ (the beak) towards biologically significant targets, and the generation jaw movement patterns whose probability and topography are appropriate to the stimulus properties of the target (e.g., distance, direction, size) and the motivational state of the animals (hunger, thirst). Because… CONTINUE READING