Autonomous acoustic recording unit at Britz. The sounds in the audible range are continuously recorded in loops of 5 minutes recording and 10 minutes pause. – Photograph: K.-H. Frommolt.

 
 
  Part of: Wägele JW, Tschan GF (2024) Weather stations for biodiversity: a comprehensive approach to an automated and modular monitoring system. Advanced Books, Pensoft, Sofia, 1-218. https://doi.org/10.3897/ab.e119534