The subspecies affiliation of some birds nesting n the Kaliningrad region. Part 2.2: Рasseriformes
.... This is the final part a study into the subspecies affiliation of some nesting species of the order Passeriformes. Studying ample data collections and analysing publications made it possible to present a review of the subspecies affiliation of ten nesting bird species.
1. Алекс У. (О. А. Олексас). Подвидовая принадлежность некоторых гнездящихся видов птиц на территории Калининградской области. Часть ...
