Data Zone
The site was identified as important in 2012 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 |
|---|---|---|---|---|---|
| Ashy Storm-petrel Hydrobates homochroa | EN | breeding | 2005 | 2,500 breeding pairs | A1, A4ii |
| Sooty Shearwater Ardenna grisea | NT | non-breeding | 2004 | 1,100 individuals | A1 |
| Pink-footed Shearwater Ardenna creatopus | VU | passage | 2005 | 1,500 individuals | A1, A4ii |
| Brown Pelican Pelecanus occidentalis | LC | breeding | 2002 | 5,000 breeding pairs | A4i |
| Brandt's Cormorant Urile penicillatus | LC | breeding | 1974-2009 | 28,625 individuals | A4i |
| Heermann's Gull Larus heermanni | NT | non-breeding | 2004 | 200 individuals | A1 |
| Guadalupe Murrelet Synthliboramphus hypoleucus | EN | breeding | 1992 | 1,760 breeding pairs | A1, A4ii |
| Western Scrub-jay Aphelocoma californica | LC | resident | 1997 | 12,500 individuals | A1 |
1. The current IUCN Red List category. The category at the time of the IBA criteria assessment (2012) may differ.
| Year | Protected Area | Designation | % overlap with IBA |
|---|---|---|---|
| - | Santa Catalina Island | Private Conservation Land | 7 |
| - | Offshore Island | State Lands | <1 |
| 1938 | Channel Islands | National Park | 38 |
| 1974 | San Miguel, Santa Rosa, and Santa Cruz Islands | ASBS State Water Quality Protection Area | 36 |
| 1974 | Santa Barbara and Anacapa Islands | ASBS State Water Quality Protection Area | 4 |
| 1974 | San Nicolas Island and Begg Rock | ASBS State Water Quality Protection Area | 3 |
| 1974 | Northwest Santa Catalina Island | ASBS State Water Quality Protection Area | 2 |
| 1974 | Southeast Santa Catalina Island | ASBS State Water Quality Protection Area | <1 |
| 1974 | Western Santa Catalina Island | ASBS State Water Quality Protection Area | <1 |
| 1980 | Channel Islands | National Marine Sanctuary | 62 |
| 2003 | Gull Island (Santa Cruz Island) | State Marine Reserve | 2 |
| 2003 | Carrington Point (Santa Rosa Island) | State Marine Reserve | 1 |
| 2003 | Anacapa Island | State Marine Reserve | 1 |
| 2003 | South Point (Santa Rosa Island) | State Marine Reserve | 1 |
| 2003 | Harris Point (San Miguel Island) | State Marine Reserve | 1 |
| 2003 | Scorpion (Santa Cruz Island) | State Marine Reserve | 1 |
| 2003 | Anacapa Island | State Marine Conservation Area | 1 |
| 2003 | Judith Rock (San Miguel Island) | State Marine Reserve | <1 |
| 2003 | Painted Cave (Santa Cruz Island) | State Marine Conservation Area | <1 |
| 2003 | Skunk Point (Santa Rosa Island) | State Marine Reserve | <1 |
| 2003 | Santa Barbara Island | State Marine Reserve | <1 |
| 2003 | Richardson Rock (San Miguel Island) | State Marine Reserve | <1 |
| 2005 | San Miguel Island | Special Closure A-1 | <1 |
| 2005 | Anacapa Island Special Closure (A) | Special Closure (A) | <1 |
| 2005 | Anacapa Island | Special Closure (B) | <1 |
| 2007 | Footprint | State Marine Reserve | 1 |
| 2012 | Farnsworth Onshore (Catalina Island) | State Marine Conservation Area | <1 |
| 2012 | Blue Cavern (Catalina Island) | State Marine Conservation Area | <1 |
| 2012 | Long Point (Catalina Island) | State Marine Reserve | <1 |
| 2012 | Arrow Point to Lion Head Point (Catalina Island) | State Marine Conservation Area | <1 |
| 2012 | Farnsworth Offshore (Catalina Island) | State Marine Conservation Area | <1 |
| 2012 | Bird Rock (Catalina Island) | State Marine Conservation Area | <1 |
| 2012 | Cat Harbor (Catalina Island) | State Marine Conservation Area | <1 |
| 2012 | Lover's Cove (Catalina Island) | State Marine Conservation Area | <1 |
| 2012 | Casino Point (Catalina Island) | State Marine Conservation Area | <1 |
Recommended citation
BirdLife International (2024) Important Bird Area factsheet: Channel Islands - Northern (USA). Downloaded from
https://datazone.birdlife.org/site/factsheet/channel-islands--northern-iba-usa on 22/11/2024.