兰州黄河畔迎西伯利亚白天鹅

Core Viewpoint - The article highlights the increasing presence of swans from Siberia at the Sanhekou Wetland in Lanzhou, Gansu Province, due to its favorable ecological environment [2][4][5]. Group 1: Location and Environment - The Sanhekou Wetland is located at the confluence of the Yellow River, Huangshui River, and Datong River, providing a rich ecological habitat [2][4][5]. - The wetland spans an area of 1,200 acres of reed marshes, contributing to its attractiveness for migratory birds [2][4][5]. Group 2: Wildlife Attraction - In recent years, the wetland has increasingly attracted swans migrating from Siberia, indicating a positive trend in wildlife presence [2][4][5]. - The swans are observed playing and resting in the wetland, showcasing the area's role as a crucial stopover for these birds [2][4][5].