Field signs. Completely black head with a green otlivom, powerful beak (at the base of above 2 cm), a cool head. Voice - calls "Croo" or "Kaw" (Böhme et al, 1998). Distribution. South and East Asia. Within the Russian Federation - Zei from the valley to the east to the coast of the Sea of Japan. To the north to the southern slope of the backbone and mouth Udy. To the south to the border of Russia. Islands: Sakhalin Island, southern Kurile north to Urupa (Stepanyan, 1990, 2003). References. |