Following an almost two-decade (1951–1970) research of the Danube Delta territory, 274 bird species were identified, of which 176 were brooding (sedentary and migratory) and 98 non-brooding ones (winter, passage, erratic, and accidental birds).
Following an almost two-decade (1951–1970) research of the Danube Delta territory, 274 bird species were identified, of which 176 were brooding (sedentary and migratory) and 98 non-brooding ones (winter, passage, erratic, and accidental birds). (en)
Following an almost two-decade (1951–1970) research of the Danube Delta territory, 274 bird species were identified, of which 176 were brooding (sedentary and migratory) and 98 non-brooding ones (winter, passage, erratic, and accidental birds). (en)