Thanks to years of ecological restoration, endangered Oriental storks have been expanding their range around Gaoyou Lake in the eastern Jiangsu province. In recent months, dozens have descended on crab farmer Hu Dingsong’s ponds, bringing him online fame — and huge economic losses. Hu first spotted two or three storks in April. After learning they were a nationally first-class protected species, he was delighted. “I even joked online that my pon…