Zhang Liyun feeds black-headed gulls at the Wangguan wetland park by the Dianchi Lake in Kunming, southwest China's Yunnan Province, Dec. 11, 2024.

Kunming is a wintering destination for black-headed gulls which migrate to the city every year by tens of thousands. A decade ago, local resident Zhang Liyun started feeding the gulls staying by the Dianchi Lake as a volunteer, an undertaking to which he has been committed till this day. During the wintering season, he arrives at the Wangguan wetland park with specially prepared fodder at around seven o'clock every morning. Meanwhile, Zhang keeps posting videos of feeding the gulls on social media in a bid to raise public awareness of the bird species' protection. (Photo by Peng Yikai/Xinhua)

Black-headed gulls are pictured at the Wangguan wetland park by the Dianchi Lake in Kunming, southwest China's Yunnan Province, Dec. 9, 2024.

Kunming is a wintering destination for black-headed gulls which migrate to the city every year by tens of thousands. A decade ago, local resident Zhang Liyun started feeding the gulls staying by the Dianchi Lake as a volunteer, an undertaking to which he has been committed till this day. During the wintering season, he arrives at the Wangguan wetland park with specially prepared fodder at around seven o'clock every morning. Meanwhile, Zhang keeps posting videos of feeding the gulls on social media in a bid to raise public awareness of the bird species' protection. (Xinhua/Gao Yongwei)

An aerial drone photo taken on Dec. 11, 2024 shows Zhang Liyun (L) and a fellow volunteer feeding black-headed gulls at the Wangguan wetland park by the Dianchi Lake in Kunming, southwest China's Yunnan Province.

Kunming is a wintering destination for black-headed gulls which migrate to the city every year by tens of thousands. A decade ago, local resident Zhang Liyun started feeding the gulls staying by the Dianchi Lake as a volunteer, an undertaking to which he has been committed till this day. During the wintering season, he arrives at the Wangguan wetland park with specially prepared fodder at around seven o'clock every morning. Meanwhile, Zhang keeps posting videos of feeding the gulls on social media in a bid to raise public awareness of the bird species' protection. (Photo by Peng Yikai/Xinhua)

Zhang Liyun prepares to feed black-headed gulls at the Wangguan wetland park by the Dianchi Lake in Kunming, southwest China's Yunnan Province, Dec. 11, 2024.

Kunming is a wintering destination for black-headed gulls which migrate to the city every year by tens of thousands. A decade ago, local resident Zhang Liyun started feeding the gulls staying by the Dianchi Lake as a volunteer, an undertaking to which he has been committed till this day. During the wintering season, he arrives at the Wangguan wetland park with specially prepared fodder at around seven o'clock every morning. Meanwhile, Zhang keeps posting videos of feeding the gulls on social media in a bid to raise public awareness of the bird species' protection. (Photo by Peng Yikai/Xinhua)

Zhang Liyun looks at a black-headed gull perching on his right hand at the Wangguan wetland park by the Dianchi Lake in Kunming, southwest China's Yunnan Province, Dec. 11, 2024.

Kunming is a wintering destination for black-headed gulls which migrate to the city every year by tens of thousands. A decade ago, local resident Zhang Liyun started feeding the gulls staying by the Dianchi Lake as a volunteer, an undertaking to which he has been committed till this day. During the wintering season, he arrives at the Wangguan wetland park with specially prepared fodder at around seven o'clock every morning. Meanwhile, Zhang keeps posting videos of feeding the gulls on social media in a bid to raise public awareness of the bird species' protection. (Photo by Peng Yikai/Xinhua)

Zhang Liyun (front) prepares to feed black-headed gulls at the Wangguan wetland park by the Dianchi Lake in Kunming, southwest China's Yunnan Province, Dec. 11, 2024.

Kunming is a wintering destination for black-headed gulls which migrate to the city every year by tens of thousands. A decade ago, local resident Zhang Liyun started feeding the gulls staying by the Dianchi Lake as a volunteer, an undertaking to which he has been committed till this day. During the wintering season, he arrives at the Wangguan wetland park with specially prepared fodder at around seven o'clock every morning. Meanwhile, Zhang keeps posting videos of feeding the gulls on social media in a bid to raise public awareness of the bird species' protection. (Photo by Peng Yikai/Xinhua)

Zhang Liyun feeds black-headed gulls at the Wangguan wetland park by the Dianchi Lake in Kunming, southwest China's Yunnan Province, Dec. 11, 2024.

Kunming is a wintering destination for black-headed gulls which migrate to the city every year by tens of thousands. A decade ago, local resident Zhang Liyun started feeding the gulls staying by the Dianchi Lake as a volunteer, an undertaking to which he has been committed till this day. During the wintering season, he arrives at the Wangguan wetland park with specially prepared fodder at around seven o'clock every morning. Meanwhile, Zhang keeps posting videos of feeding the gulls on social media in a bid to raise public awareness of the bird species' protection. (Photo by Peng Yikai/Xinhua)

Zhang Liyun shows his Douyin account where he shares videos of feeding black-headed gulls at the Wangguan wetland park by the Dianchi Lake in Kunming, southwest China's Yunnan Province, Dec. 11, 2024.

Kunming is a wintering destination for black-headed gulls which migrate to the city every year by tens of thousands. A decade ago, local resident Zhang Liyun started feeding the gulls staying by the Dianchi Lake as a volunteer, an undertaking to which he has been committed till this day. During the wintering season, he arrives at the Wangguan wetland park with specially prepared fodder at around seven o'clock every morning. Meanwhile, Zhang keeps posting videos of feeding the gulls on social media in a bid to raise public awareness of the bird species' protection. (Photo by Peng Yikai/Xinhua)

Black-headed gulls are pictured at the Wangguan wetland park by the Dianchi Lake in Kunming, southwest China's Yunnan Province, Dec. 9, 2024.

Kunming is a wintering destination for black-headed gulls which migrate to the city every year by tens of thousands. A decade ago, local resident Zhang Liyun started feeding the gulls staying by the Dianchi Lake as a volunteer, an undertaking to which he has been committed till this day. During the wintering season, he arrives at the Wangguan wetland park with specially prepared fodder at around seven o'clock every morning. Meanwhile, Zhang keeps posting videos of feeding the gulls on social media in a bid to raise public awareness of the bird species' protection. (Xinhua/Gao Yongwei)

Zhang Liyun shows specially prepared fodder for black-headed gulls at the Wangguan wetland park by the Dianchi Lake in Kunming, southwest China's Yunnan Province, Dec. 11, 2024.

Kunming is a wintering destination for black-headed gulls which migrate to the city every year by tens of thousands. A decade ago, local resident Zhang Liyun started feeding the gulls staying by the Dianchi Lake as a volunteer, an undertaking to which he has been committed till this day. During the wintering season, he arrives at the Wangguan wetland park with specially prepared fodder at around seven o'clock every morning. Meanwhile, Zhang keeps posting videos of feeding the gulls on social media in a bid to raise public awareness of the bird species' protection. (Photo by Peng Yikai/Xinhua)