Great Basin Bird Observatory was created in 1997.
Eyre Bird Observatory was created in 1977.
Rossitten Bird Observatory was created in 1901.
Sempach Bird Observatory was created in 1924.
Broome Bird Observatory was created in 1988.
Jerusalem Bird Observatory was created in 1994.
Heligoland Bird Observatory was created in 1910.
Barren Grounds Bird Observatory was created in 1982.
Rotamah Island Bird Observatory was created in 1979.
Whitefish Point Bird Observatory was created in 1978.
Prince Edward Point Bird Observatory was created in 1995.
Rossitten Bird Observatory ended in 1946.
It was used as a bird observatory for scientists and everyone else.