Geographical Affinities and Migrations of the Avifauna on Amchitka Island, Alaska.

Amchitka Island (Alaska); Islands of the Pacific; North America; Asia; Alaska

The article reports on the avifauna of Amchitka Island in Alaska. The island is part of the Rat Island group which share species of flora with North America and Asia. The author aim to determine the avifauna of the island and its similarities to other areas. A survey was done on literature concerning the populations of birds in the region which may have similarities with species of North America, Asia, and Pacific Ocean islands. Holartic affinities were determined by the relationship between the areas and the distribution of breeding grounds. The study found that seventy percent of the regular species breeding on the island are common to North America and Asia. An overview of the study is provided.