Core Points - China is one of the richest countries in bird resources and an important passage for migratory birds, with four out of nine global migratory routes passing through the country [1] - The Guangdong Haifeng International Important Wetland has seen a gradual increase in wild bird populations, with species numbers rising from 72 in 1998 to 273 currently, including 14 species of national first-class protected birds [3] - The Yellow River Delta is a key hub for migratory routes and has successfully implemented ecological restoration, leading to a significant increase in bird species from 187 to 374 [6] - The Dandong Yalu River Estuary is a crucial stopover for migratory birds, with over 16,000 birds recorded during a spring observation period [9] Group 1: Bird Protection Efforts - China has intensified efforts to protect migratory bird routes, establishing 1,140 important habitats and recognizing 58 national important wetlands [1] - The Guangdong Haifeng Nature Reserve has implemented a grid management system for monitoring and protecting migratory birds, utilizing AI technology for bird identification [3] - The Yellow River Delta has seen successful artificial breeding of the endangered crested ibis, with the first artificial hatchling born in 2025 [4][5] Group 2: Ecological Restoration - The Yellow River Delta has undergone systematic ecological restoration, with over 5.1 billion cubic meters of ecological water replenishment in the past three years [5] - The Dandong Yalu River Estuary has a rich intertidal zone that supports a large number of benthic organisms, providing ample food for migratory birds [9] - The ecological environment in these areas has improved significantly, leading to increased bird populations and diversity [6][10] Group 3: Monitoring and Research - The Guangdong Haifeng Nature Reserve employs eight high-definition video devices for continuous monitoring of wild birds [3] - The Dandong Yalu River Estuary has initiated satellite tracking of migratory birds to enhance protection and monitoring efforts [9] - The integration of ecological education and awareness has led to a decrease in illegal activities and an increase in public engagement in bird conservation [10]