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Summary of results

  • Most clicks were recorded between midnight and 6 AM, with peaks reaching over 50,000 clicks/hour per logger.
  • Echolocation activity dropped throughout the day and reached the lowest point between 6PM and midnight.
  • Season does not seem to have an effect on the diel patterns.
  • The number of logged clicks dropped over 3 weeks after which it leveled at an average of around 5000 clicks/hour per day and logger.
  • More time was spent and more clicks were recorded in the deeper area of the pool.
  • During rest, only occasional clicks were recorded, indicating the possibility that landmarks are used, but on many occassion visual cues might have been of importance too.


Responsible for this page: Agneta Johansson
Last updated: 06/19/15