For me visible autumn migration of birds this season started by circa 600 Common cranes (Grus grus), that flew to NW over the river Nioman in my Hrodna city, W Belarus at 21-09-2022 Several pictures + full story in Belarusian are here: https://birdwatch.by/gallery/harrier/neba-u-zhuraulyakh Некалькі здымкаў і ўся гісторыя масавага пралёту шэрых жураўлёў над Гродна па-беларуску тут: https://birdwatch.by/gallery/harrier/neba-u-zhuraulyakh