Data Zone
The site was identified as important in 2013 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 |
|---|---|---|---|---|---|
| Black Rail Laterallus jamaicensis | EN | resident | - | present | A1 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2013) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| - | Cibola | National Wildlife Refuge | 32 |
| 1941 | Imperial | National Wildlife Refuge | 67 |
| 1990 | Imperial Refuge | Wilderness | 50 |
| 1990 | Colorado River | Access | 1 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Imperial National Wildlife Refuge (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/imperial-national-wildlife-refuge-iba-usa on 23/11/2024.