“希望3991能带着‘孩子’归来”（守护鸟类家园）

Core Points - The article discusses the successful rehabilitation and release of a rare bird, the 3991, which is a critically endangered species known as the relic gull [1][2] - The bird was found injured on March 13 and was treated by a rescue team, eventually being fitted with a satellite tracker before its release [1] - The tracking data indicates that 3991 has moved to a significant breeding area in Hebei province, suggesting it may have found a mate [2] Group 1 - The relic gull, classified as a first-class protected species in China, is facing threats and is considered vulnerable globally [1] - The Tianjin coastal wetlands serve as a crucial wintering ground for these birds, with over 10,000 relic gulls wintering in Tianjin annually [2] - The use of satellite tracking technology has enhanced the understanding of the migration patterns and behaviors of the relic gull population [2] Group 2 - The Tianjin Planning and Natural Resources Bureau, in collaboration with research teams, has been studying the wintering relic gull population and their migration patterns [2] - The satellite tracking devices provide real-time data on the birds' movements, which aids in conservation efforts [2] - Recent observations indicated that construction noise disturbed the gulls, prompting adjustments in construction plans to minimize impact on the birds [2]