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Strategies for Pre-Emptive Mid-Air Collision Avoidance in Budgerigars

Author

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  • Ingo Schiffner
  • Tristan Perez
  • Mandyam V Srinivasan

Abstract

We have investigated how birds avoid mid-air collisions during head-on encounters. Trajectories of birds flying towards each other in a tunnel were recorded using high speed video cameras. Analysis and modelling of the data suggest two simple strategies for collision avoidance: (a) each bird veers to its right and (b) each bird changes its altitude relative to the other bird according to a preset preference. Both strategies suggest simple rules by which collisions can be avoided in head-on encounters by two agents, be they animals or machines. The findings are potentially applicable to the design of guidance algorithms for automated collision avoidance on aircraft.

Suggested Citation

  • Ingo Schiffner & Tristan Perez & Mandyam V Srinivasan, 2016. "Strategies for Pre-Emptive Mid-Air Collision Avoidance in Budgerigars," PLOS ONE, Public Library of Science, vol. 11(9), pages 1-10, September.
    • Handle: RePEc:plo:pone00:0162435
    DOI: 10.1371/journal.pone.0162435
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    References listed on IDEAS

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    1. H. Hildenbrandt & C. Carere & C.K. Hemelrijk, 2010. "Self-organized aerial displays of thousands of starlings: a model," Behavioral Ecology, International Society for Behavioral Ecology, vol. 21(6), pages 1349-1359.
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