2026-10-12T13:08:35Z https://www.scidb.cn/oai

10.57760/sciencedb.25245 2025-05-19T15:31:13Z

2025-05-19 Red-headed Gull Dataset doi:10.57760/sciencedb.25245 en The Red-headed Gull (Larus ridibundus) is a medium-sized migratory bird widely distributed across the Eurasian continent. It is commonly seen in southern China during the winter, with Dianchi Lake in Kunming, Yunnan, being one of the most renowned wintering sites. Characterized by its slender body, bright red beak and legs, gentle temperament, and sociable nature, the Red-headed Gull is known for its affinity with humans. Every winter, large flocks migrate from regions such as Siberia to overwinter in Kunming, forming a unique ecological landscape and becoming a cultural symbol of the city, much loved by both residents and tourists. red-billed gull automatic identification; deep learning; color moments; threshold segmentation; sliding window cropping; U-Net network Ren Qihong Ren PUBLIC https://creativecommons.org/licenses/by-nc-nd/4.0/ dataset Science Data Bank