Southern Hemisphere Ornithological Congress was created in 1996.
Pan-African Ornithological Congress was created in 1957.
Ornithological Council was created in 1992.
Norwegian Ornithological Society was created in 1957.
Cooper Ornithological Society was created in 1893.
Ornithological Society of Polynesia was created in 1990.
Spanish Ornithological Society was created in 1954.
Georgia Ornithological Society was created in 1936.
Florida Ornithological Society was created in 1972.
Catalan Ornithological Institute was created in 1975.
Neotropical Ornithological Society was created in 1987.
Swedish Ornithological Society was created in 1945.
Sussex Ornithological Society was created in 1962.