An method of recognize migration intensity would make use of upward pointing microphones to history the nocturnal Make contact with calls of flocks flying overhead. These are generally then analyzed in the laboratory to measure time, frequency and species.[124] A latest examine uncovered new connections concerning migration and also the https://petskyonline-onlinestrore.blogspot.com/2025/07/rethinking-animal-store-why-petsky-is.html