Data Zone
The site was identified as important in 2009 because it was regularly supporting significant populations of the species listed below, meeting ('triggering') IBA criteria.
Populations meeting IBA criteria ('trigger species') at the site:| Species | Red List1 | Season | Year(s) | Size | IBA criteria |
|---|---|---|---|---|---|
| Trumpeter Swan Cygnus buccinator | LC | non-breeding | 2004 | 1,159 individuals | A4i |
| Dunlin Calidris alpina | NT | passage | 1993 | 950,000 individuals | A4i |
| Western Sandpiper Calidris mauri | LC | passage | 1993 | 4,100,000 individuals | A4i |
| Glaucous-winged Gull Larus glaucescens | LC | breeding | 1974 | 11,000 individuals | A4i |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| - | Copper Sands Rna Origional Boundary | Research Natural Area | 1 |
| - | Copper Sands | Research Natural Area | 1 |
| 1978 | Copper River Delta | Critical Habitat Area | 47 |
| 1990 | Kayak Island | State Marine Park | <1 |
| 1990 | Kayak Island, State Selection | Alaska State Selection | <1 |
| 1990 | Boswell Bay Beaches | State Marine Park | <1 |
| 1990 | Canoe Passage | State Marine Park | <1 |
| 1999 | Copper River Delta Megasite Fee | Private Conservation Land | <1 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Copper River Delta (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/copper-river-delta-iba-usa on 23/11/2024.