Data Zone
Year of most recent IBA criteria assessment: 2012
Populations of IBA trigger species| Species | Current IUCN Red List Category | Season | Year(s) of estimate | Population estimate | IBA Criteria Triggered |
|---|---|---|---|---|---|
| Surf Scoter Melanitta perspicillata | LC | non-breeding | 1974-2009 | 19,777 individuals | A4i |
| Black Scoter Melanitta americana | NT | non-breeding | 1974-2009 | 10,029 individuals | A4i |
| White-winged Scoter Melanitta deglandi | LC | non-breeding | 1974-2009 | 7,565 individuals | A4i |
| Common Goldeneye Bucephala clangula | LC | non-breeding | 1974-2009 | 12,753 individuals | A4i |
| Barrow's Goldeneye Bucephala islandica | LC | non-breeding | 1974-2009 | 76,131 individuals | A4i |
| Red-breasted Merganser Mergus serrator | LC | non-breeding | 1974-2009 | 5,213 individuals | A4i |
| Harlequin Duck Histrionicus histrionicus | LC | breeding | 1974-2009 | 34,600 individuals | A4i |
| Harlequin Duck Histrionicus histrionicus | LC | non-breeding | 1974-2009 | 54,420 individuals | A4i |
| Red-necked Grebe Podiceps grisegena | LC | non-breeding | 1974-2009 | 3,679 individuals | A4i |
| Horned Grebe Podiceps auritus | VU | non-breeding | 1974-2009 | 5,600 individuals | A4i |
| Pelagic Cormorant Urile pelagicus | LC | breeding | 1974-2009 | 1,034 individuals | A4i |
| Pelagic Cormorant Urile pelagicus | LC | non-breeding | 1974-2009 | 7,984 individuals | A4i |
| Black-legged Kittiwake Rissa tridactyla | VU | breeding | 1974-2009 | 87,188 individuals | A4i |
| Mew Gull Larus canus | LC | breeding | 1974-2009 | 6,497 individuals | A4i |
| Mew Gull Larus canus | LC | non-breeding | 1974-2009 | 7,130 individuals | A4i |
| Glaucous-winged Gull Larus glaucescens | LC | non-breeding | 1974-2009 | 14,213 individuals | A4i |
| Glaucous-winged Gull Larus glaucescens | LC | breeding | 1974-2009 | 30,945 individuals | A4i |
| Arctic Tern Sterna paradisaea | LC | breeding | 1974-2009 | 10,547 individuals | A4i |
| Tufted Puffin Fratercula cirrhata | LC | breeding | 1974-2009 | 26,193 individuals | A4ii |
| Marbled Murrelet Brachyramphus marmoratus | EN | non-breeding | 1974-2009 | 13,851 individuals | A4ii |
| Marbled Murrelet Brachyramphus marmoratus | EN | breeding | 1974-2009 | 52,876 individuals | A4ii |
| Kittlitz's Murrelet Brachyramphus brevirostris | NT | breeding | 1974-2009 | 2,719 individuals | A4ii |
| Pigeon Guillemot Cepphus columba | LC | breeding | 1974-2009 | 11,333 individuals | A4ii |
Note: This table presents the IBA criteria triggered and the species that triggered then at the time of assessment, the current IUCN Red List category may vary from that which was in place at that time.
For more information about the IBA assessment process and criteria please click here
| Protected Area | Designation | Area (ha) | Relationship with IBA | Overlap with IBA (ha) |
|---|---|---|---|---|
| Ziegler Cove | State Marine Park | 291 | protected area overlaps with site | 0 |
| Valdez Duck Flats | Environmental System | 8 | protected area contained by site | 0 |
| Valdez | Environmental System | 58 | protected area is adjacent to site | 0 |
| Surprise Cove | State Marine Park | 907 | protected area overlaps with site | 0 |
| South Esther Island | State Marine Park | 1,343 | protected area overlaps with site | 0 |
| Shoup Bay | State Marine Park | 1,541 | protected area overlaps with site | 0 |
| Sawmill Bay | State Marine Park | 607 | protected area overlaps with site | 0 |
| Olsen Bay Creek | Research Natural Area | 2,762 | protected area is adjacent to site | 0 |
| Nellie Juan-College Fiord | Wilderness Study Area | 884,437 | protected area is adjacent to site | 0 |
| Jack Bay | State Marine Park | 624 | protected area overlaps with site | 0 |
| Horseshoe Bay | State Marine Park | 400 | protected area overlaps with site | 0 |
| Green Island | Research Natural Area | 1,031 | protected area is adjacent to site | 0 |
| Granite Bay | State Marine Park | 1,323 | protected area overlaps with site | 0 |
| Entry Cove, State Selection | Alaska State Selection | 2 | protected area overlaps with site | 0 |
| Entry Cove | State Marine Park | 485 | protected area overlaps with site | 0 |
| Duck Marsh Subdivision | Environmental System | 10 | protected area is adjacent to site | 0 |
| Decision Point | State Marine Park | 308 | protected area overlaps with site | 0 |
| Copper River Delta | Critical Habitat Area | 219,814 | protected area overlaps with site | 0 |
| Canoe Passage | State Marine Park | 560 | protected area overlaps with site | 0 |
| Boswell Bay Beaches | State Marine Park | 1,233 | protected area overlaps with site | 0 |
| Bettles Bay | State Marine Park | 274 | protected area overlaps with site | 0 |
| Alaska Maritime | National Wildlife Refuge | 2,637,840 | protected area is adjacent to site | 0 |
Recommended citation
BirdLife International (2023) Important Bird Areas factsheet: Prince William Sound. Downloaded from
http://www.birdlife.org on 02/04/2023.
