A recent spring survey at the Hequ Horse Farm Wetland in Maqu county, Gansu province, recorded a rare and encouraging sight of dozens of brown-headed gulls, observed in the area for the first time. As an indicator species, their presence reflects ecosystem health. | Collector

A recent spring survey at the Hequ Horse Farm Wetland in Maqu county, Gansu province, recorded a rare and encouraging sight of dozens of brown-headed gulls, observed in the area for the first time. As an indicator species, their presence reflects ecosystem health.

China Daily

A recent spring survey at the Hequ Horse Farm Wetland in Maqu county, Gansu province, recorded a rare and encouraging sight of dozens of brown-headed gulls, observed in the area for the first time. As an indicator species, their presence reflects ecosystem health.

A recent spring survey at the Hequ Horse Farm Wetland in Maqu county, Gansu province, recorded a rare and encouraging sight of dozens of brown-headed gulls, observed in the area for the first time. As an indicator species, their presence reflects ecosystem health.

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