内蒙古第一大湖呼伦湖秋季鸟类较去年增长近四成

Core Viewpoint - The number of bird species in the Hulun Lake National Nature Reserve has increased significantly, with a total of 75,311 birds recorded in the autumn of 2025, representing a nearly 40% increase compared to the previous year [1][4]. Summary by Sections Bird Population Increase - The reserve recorded 75,311 birds, an increase of 21,442 birds from the autumn of 2024, marking a growth of nearly 40% [1][4]. - The monitoring identified 68 species across 10 orders, 22 families, and 41 genera, with a focus on national second-class protected species such as the swan goose, white spoonbill, and whooper swan [4]. Importance of Hulun Lake - Hulun Lake, covering an area of 2,339 square kilometers and at an elevation of 545.5 meters, is one of China's five major freshwater lakes and the largest lake in Inner Mongolia [2]. - The lake serves as a crucial migratory pathway for birds along the East Asia-Australasia flyway and is an important breeding ground for waterfowl in Northeast Asia [2]. Monitoring and Conservation Efforts - The Hulun Lake Nature Reserve employs dynamic monitoring and video surveillance to track bird populations, habitat conditions, and disease dynamics, ensuring the protection of this vital migratory corridor [6].