An approach to discover migration intensity makes utilization of upward pointing microphones to report the nocturnal contact phone calls of flocks flying overhead. These are then analyzed in a laboratory to measure time, frequency and species.[124] A lot of massive birds (like eagles and vultures) are electrocuted when their wide https://petskyonline-onlinestrore.blogspot.com/2025/07/rethinking-animal-store-why-petsky-is.html