[nfc-l] Calls of Crane flocks migrating at night

Hello all A colleague and me are dealing with the migration of Cranes Grus grus through the region of Genoa (NW Italy). We also made some recordings of flocks calling during their migration at night along a stable direction, and at a fixed station. I am wondering if some abundance

[nfc-l] Calls of Crane flocks migrating at night

Hello all A colleague and me are dealing with the migration of Cranes Grus grus through the region of Genoa (NW Italy). We also made some recordings of flocks calling during their migration at night along a stable direction, and at a fixed station. I am wondering if some abundance