Nord et al. - Seasonal changes in plumage density, plumage mass and feather morphology in the world’s northernmost land bird, the Svalbad Rock Ptarmigan (Lagopus muta hyperborea)

Data on seasonal and age-related changes in plumage and feather structure in the Svalbard ptarmigan Lagopus muta hyperborea, used in Nord A, Holje V, Judik B, Folkow LP, Pap PL (2023) - "Seasonal changes in plumage density, plumage mass and feather morphology in the world’s northernmost land bird, the Svalbard Rock Ptarmigan (Lagopus muta hyperborea)".本数据集涵盖斯瓦尔巴岩雷鸟（Lagopus muta hyperborea）羽毛及羽毛结构的季节与年龄相关变化相关数据，其被应用于Nord A、Holje V、Judik B、Folkow LP、Pap PL于2023年发表的题为《世界最北陆生鸟类——斯瓦尔巴岩雷鸟（Lagopus muta hyperborea）的羽毛密度、羽毛重量及羽毛形态的季节变化》的研究论文。