Category:Birds described in the 20th century

0–9

• Birds described in 1901‎ (65 P)
• Birds described in 1902‎ (49 P)
• Birds described in 1903‎ (54 P)
• Birds described in 1904‎ (42 P)
• Birds described in 1905‎ (47 P)
• Birds described in 1906‎ (57 P)
• Birds described in 1907‎ (53 P)
• Birds described in 1908‎ (33 P)
• Birds described in 1909‎ (29 P)
• Birds described in 1910‎ (27 P)
• Birds described in 1911‎ (31 P)
• Birds described in 1912‎ (54 P)
• Birds described in 1913‎ (19 P)
• Birds described in 1914‎ (37 P)
• Birds described in 1915‎ (21 P)
• Birds described in 1916‎ (16 P)
• Birds described in 1917‎ (20 P)
• Birds described in 1918‎ (13 P)
• Birds described in 1919‎ (40 P)
• Birds described in 1920‎ (20 P)
• Birds described in 1921‎ (22 P)
• Birds described in 1922‎ (25 P)
• Birds described in 1923‎ (23 P)
• Birds described in 1924‎ (25 P)
• Birds described in 1925‎ (23 P)
• Birds described in 1926‎ (17 P)
• Birds described in 1927‎ (19 P)
• Birds described in 1928‎ (29 P)
• Birds described in 1929‎ (36 P)
• Birds described in 1930‎ (25 P)
• Birds described in 1931‎ (44 P)
• Birds described in 1932‎ (21 P)
• Birds described in 1933‎ (22 P)
• Birds described in 1934‎ (17 P)
• Birds described in 1935‎ (24 P)
• Birds described in 1936‎ (9 P)
• Birds described in 1937‎ (17 P)
• Birds described in 1938‎ (12 P)
• Birds described in 1939‎ (25 P)
• Birds described in 1940‎ (16 P)
• Birds described in 1941‎ (16 P)
• Birds described in 1942‎ (5 P)
• Birds described in 1943‎ (5 P)
• Birds described in 1944‎ (3 P)
• Birds described in 1945‎ (7 P)
• Birds described in 1946‎ (8 P)
• Birds described in 1947‎ (7 P)
• Birds described in 1948‎ (5 P)
• Birds described in 1949‎ (6 P)
• Birds described in 1950‎ (8 P)
• Birds described in 1951‎ (8 P)
• Birds described in 1952‎ (10 P)
• Birds described in 1953‎ (6 P)
• Birds described in 1954‎ (5 P)
• Birds described in 1955‎ (10 P)
• Birds described in 1956‎ (3 P)
• Birds described in 1957‎ (9 P)
• Birds described in 1958‎ (7 P)
• Birds described in 1959‎ (8 P)
• Birds described in 1960‎ (13 P)
• Birds described in 1961‎ (4 P)
• Birds described in 1962‎ (4 P)
• Birds described in 1963‎ (5 P)
• Birds described in 1964‎ (6 P)
• Birds described in 1965‎ (4 P)
• Birds described in 1966‎ (6 P)
• Birds described in 1967‎ (10 P)
• Birds described in 1968‎ (7 P)
• Birds described in 1969‎ (5 P)
• Birds described in 1970‎ (4 P)
• Birds described in 1971‎ (3 P)
• Birds described in 1972‎ (9 P)
• Birds described in 1973‎ (9 P)
• Birds described in 1974‎ (10 P)
• Birds described in 1975‎ (7 P)
• Birds described in 1976‎ (5 P)
• Birds described in 1977‎ (7 P)
• Birds described in 1978‎ (1 P)
• Birds described in 1979‎ (6 P)
• Birds described in 1980‎ (3 P)
• Birds described in 1981‎ (5 P)
• Birds described in 1982‎ (10 P)
• Birds described in 1983‎ (12 P)
• Birds described in 1984‎ (6 P)
• Birds described in 1985‎ (8 P)
• Birds described in 1986‎ (6 P)
• Birds described in 1987‎ (6 P)
• Birds described in 1988‎ (7 P)
• Birds described in 1989‎ (15 P)
• Birds described in 1990‎ (9 P)
• Birds described in 1991‎ (16 P)
• Birds described in 1992‎ (10 P)
• Birds described in 1993‎ (5 P)
• Birds described in 1994‎ (11 P)
• Birds described in 1995‎ (8 P)
• Birds described in 1996‎ (7 P)
• Birds described in 1997‎ (13 P)
• Birds described in 1998‎ (10 P)
• Birds described in 1999‎ (13 P)
• Birds described in 2000‎ (10 P)