Phylogeny of the Waxwings and Allied Birds

by M. Dale Arvey

Boulton, R.

1926. Remarks on the origin and distribution of the Zonotrichiae. Auk, 18(3):326-332, 1926.

Burleigh, T. D.

1921. Breeding birds of Warland, Lincoln County, Montana. Auk, 38(4):552-565, 1921.

Burt, W. H.

1930. Adaptive modifications in the woodpeckers. Univ. California Publ. Zoöl., 32(8):455-524, 29 figs. in text, 1930.

Carriker, M. A., Jr.

1909-1912. An annotated list of the birds of Costa Rica including Cocos Island. Ann. Carnegie Mus., 6(1):314-915, 1909-1912.

Cory, C. B.

1886. The birds of the West Indies, etc. Auk, 3(2):187-245, 1886.