An method of identify migration intensity would make utilization of upward pointing microphones to record the nocturnal Speak to phone calls of flocks flying overhead. They're then analyzed inside of a laboratory to measure time, frequency and species.[124] Devices While using the flat was excellent As well as in great https://petskyonline-onlinestrore.blogspot.com/2025/07/rethinking-animal-store-why-petsky-is.html