Core Viewpoint - The arrival of a large number of swans is attributed to the improvement of the local ecological environment, driven by community efforts in environmental conservation and sustainable practices [1] Group 1: Environmental Improvement - Local villagers have organized efforts to clean rivers, plant trees, and promote ecological agriculture, which has led to a reduction in the use of chemical fertilizers and pesticides [1] - The increase in aquaculture among lakeside residents has provided abundant food sources for migratory birds, contributing to the restoration of the local ecosystem [1] Group 2: Economic and Tourism Impact - The return of swans is seen as a direct affirmation of environmental improvements and has become a significant attraction for rural ecological tourism [1] Group 3: Compensation and Policy Issues - There are currently no policies in place for compensation related to losses incurred by local farmers due to the presence of swans, nor are there measures for actively feeding the swans to divert them [1]