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 |
|---|---|---|---|---|---|
| Tundra Swan Cygnus columbianus | LC | passage | 2006 | 2,640 individuals | A4i |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2009) may differ.
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Upper Naknek River (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/upper-naknek-river-iba-usa on 27/11/2024.