A Check-List of the Birds of Idaho

by M. Dale Arvey

1946b. Speciation in the white-cheeked geese. Wilson Bull., 58:94-103.

Aldrich, J. W. and Friedmann, H.

1943. A revision of the ruffed grouse. Condor, 45:85-103.

American Ornithologists' Union Committee.

1931. Check-list of North American birds. Lancaster Press.

1944. Nineteenth supplement to the American Ornithologists' Union check-list of North American birds. Auk, 61:441-464.

1945. Twentieth supplement to the American Ornithologists' Union check-list of North American birds. Auk, 62:436-449.

1946. Twenty-first supplement to the American Ornithologists' Union check-list of North American birds. Auk, 63:428-432.

1947. Twenty-second supplement to the American Ornithologists' Union check-list of North American birds. Auk, 64:445-452.

Arvey, M. D.