灰鹤“先头部队”飞抵野鸭湖湿地，延庆迎来秋冬候鸟迁徙季

Core Points - The arrival of six gray cranes at the Yeyahu Wetland marks the first sighting of these birds this autumn, occurring 11 days earlier than last year [1] - A total of over 2,000 waterfowl, including red-breasted ducks, green-winged ducks, and others, have been reported, indicating the beginning of the migratory season [1] - The peak of the autumn migration is expected around mid-November, with a significant increase in bird arrivals anticipated from late October [1] Monitoring and Conservation Efforts - The Yanqing District Natural Protected Area Management Office will continue to monitor migratory bird information to support biodiversity conservation efforts [1] - There will be an increased focus on protecting bird habitats and stopover sites to ensure the safe passage of migratory birds [1]