Fig. 4 in Distribution, systematics and nomenclature of the three taxa of Common Stonechats (Aves, Passeriformes, Muscicapidae, Saxicola) that breed in the Caucasian region

Fig. 4. First year male of Saxicola rubicola rubicola in fresh autumnal plumage. Holotype of Saxicola torquata amaliae Buturlin, 1929. ZMMU, coll. No. R-13488, Russia, Republic Severnaya Osetiya – Alaniya, vicinity of Vladikavkaz, 42°59.99′ N, 44°38.53′ E, 750 m a.s.l., 13 Oct. 1919, L.B. Beme leg. Ventral (A) and dorsal (B) view.