The most distributed clade, the Balkan clade, expands over most of Europe including Northern Europe and Great Britain (Brito, 2005) (Fig. 1). The Balkan and Italian clade are taxonomically defined as S. a. aluco, while Iberian clade corresponds to S. a. sylvatica. However, the status ...
The Eurasian African Bird Migration Atlas. Available online: https://migrationatlas.org (accessed on 24 May 2022). Saino, N.; Rubolini, D.; Jonzén, N.; Ergon, T.; Montemaggiori, A.; Stenseth, N.C.; Spina, F. Temperature and Rainfall Anomalies in Africa Predict Timing of Spring ...