A whiskered tern is spotted at Honghu Park in Luohu District on Friday. According to records from www.birdreport.cn, two individuals of the species have stayed at the park since Tuesday. They are estimated to stay in Shenzhen for a while and will continue their migration soon. Birds of this species are around 23 to 29 centimeters long and mostly inhabit freshwater environments, including lakes, rivers and wetlands.  Wang Haolan