1 / 5 Mandarin duck families in the West Lake in Hangzhou City now have their own “ID cards,” which are available across the globe. /VCG Photo
2 / 5 It is the first time mandarin ducks living in the popular tourist spot of eastern China’s Zhejiang Province have received the banding, as millions of migrant birds are banded every year. /VCG Photo
3 / 5 Six mandarin ducks have been banded with the nickel-copper bracelet, with information including the nation and organization of the banding, as well as the bracelet numbers. /VCG Photo
4 / 5 Five of them have been installed with GPS, which will send the location and body temperature of the birds to the database every one to two hours. /VCG Photo
5 / 5 Authorities from Hangzhou Birds and Ecology Research Institute and Zhejiang Wildbirds Association and National Birds Banding Center are helping in this effort. /VCG Photo