Stervander, Martin, Henrik Knudsen, and Henrik Bruun Kristensen. “Green Warbler Phylloscopus Nitidus Ringed at Blåvand: Molecular Confirmation of a Danish First and European Eighth Vagrant Record”. Ornis Svecica 27, no. 2–4 (October 1, 2017): 121–131. Accessed November 22, 2024. https://journals.lub.lu.se/os/article/view/19565.