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 |
---|---|---|---|---|---|
California Condor Gymnogyps californianus | CR | breeding | 2004 | 1 breeding pairs | A1 |
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 |
---|---|---|---|
1919 | Grand Canyon | National Park | 21 |
1979 | Grand Canyon National Park | World Heritage Site (natural or mixed) | 100 |
1984 | Paria Canyon-Vermilion Cliffs | Wilderness | 50 |
2003 | Grand Canyon Proposed or Recom | Recommended Wilderness | 31 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Marble Canyon and Vermilion Cliffs (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/marble-canyon-and-vermilion-cliffs-iba-usa on 25/11/2024.