The Semichi Islands Colonies IBA occupies 197 acres of land comprised of: bare rock/sand/clay, grassland/herbaceous, and shrubland. The IBA is located in the Aleutian Islands ecoregion. It is owned and managed as: bureau of land management blm and fws - national wildlife refuge, and has the following primary uses: hunting-other, refuge-wildlife management, and wilderness.

The Semichi Islands Colonies IBA contains 4 seabird colonies. Collectively, these colonies contain 10 seabird species and an estimated 24,213 birds. The meta-colony is an IBA for the following species: Pelagic Cormorant (1,235) and Red-faced Cormorant (4,146). The following species are on the Audubon Alaska WatchList: Red-faced Cormorant.

Ornithological Summary

The Semichi Islands Colonies IBA contains 4 seabird colonies. Collectively, these colonies contain 10 seabird species and an estimated 24,213 birds. The meta-colony is an IBA for Pelagic Cormorant (1,235) and Red-faced Cormorant (4,146). The largest colony, Nizki Island, contains 9 seabird species and an estimated 14,363 birds. The following species are on the Audubon Alaska WatchList: Red-faced Cormorant.

Conservation Issues

The Semichi Islands Colonies IBA is threatened by: aquaculture/fisheries, boats, habitat fragmentation, natural events-other, and water pollution.

Ownership

The Semichi Islands Colonies IBA is owned and managed as: bureau of land management blm and fws - national wildlife refuge.

Habitat

The Semichi Islands Colonies IBA is located in the Aleutian Islands ecoregion and contains the following habitat types: bare rock/sand/clay, grassland/herbaceous, and shrubland. The meta-colony occupies a total land area of 197 acres with an average elevation of 16.0 m.

Land Use

The Semichi Islands Colonies IBA is used for: hunting-other, refuge-wildlife management, and wilderness.

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