Channel Islands - Northern


IBA Justification

The site was identified as internationally important for bird conservation 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 List Season (year/s of estimate) Size IBA criteria
Ashy Storm-petrel Hydrobates homochroa EN breeding (2005) 2,500 pairs A1, A4ii
Sooty Shearwater Ardenna grisea NT non-breeding (2004) 1,100 birds A1
Pink-footed Shearwater Ardenna creatopus VU passage (2005) 1,500 birds A1, A4ii
Brown Pelican Pelecanus occidentalis LC breeding (2002) 5,000 pairs A4i
Brandt's Cormorant Urile penicillatus LC breeding (1974–2009) 28,625 birds A4i
Heermann's Gull Larus heermanni NT non-breeding (2004) 200 birds A1
Guadalupe Murrelet Synthliboramphus hypoleucus EN breeding (1992) 1,760 pairs A1, A4ii
Western Scrub-jay Aphelocoma californica LC resident (1997) 12,500 birds A1

IBA Protection

Year Protected Area Designation (management category) % coverage of IBA
- Santa Catalina Island Private Conservation Land (V) 7
- Offshore Island State Lands (VI) <1
1938 Channel Islands National Park (V) 38
1974 San Miguel, Santa Rosa, and Santa Cruz Islands ASBS State Water Quality Protection Area (V) 36
1974 Santa Barbara and Anacapa Islands ASBS State Water Quality Protection Area (V) 4
1974 San Nicolas Island and Begg Rock ASBS State Water Quality Protection Area (V) 3
1974 Northwest Santa Catalina Island ASBS State Water Quality Protection Area (V) 2
1974 Southeast Santa Catalina Island ASBS State Water Quality Protection Area (V) <1
1974 Western Santa Catalina Island ASBS State Water Quality Protection Area (V) <1
1980 Channel Islands National Marine Sanctuary (V) 62
2003 Gull Island (Santa Cruz Island) State Marine Reserve (Ia) 2
2003 Carrington Point (Santa Rosa Island) State Marine Reserve (Ia) 1
2003 Anacapa Island State Marine Reserve (Ia) 1
2003 Harris Point (San Miguel Island) State Marine Reserve (Ia) 1
2003 South Point (Santa Rosa Island) State Marine Reserve (Ia) 1
2003 Scorpion (Santa Cruz Island) State Marine Reserve (Ia) 1
2003 Anacapa Island State Marine Conservation Area (V) 1
2003 Judith Rock (San Miguel Island) State Marine Reserve (Ia) <1
2003 Painted Cave (Santa Cruz Island) State Marine Conservation Area (V) <1
2003 Skunk Point (Santa Rosa Island) State Marine Reserve (Ia) <1
2003 Santa Barbara Island State Marine Reserve (Ia) <1
2003 Richardson Rock (San Miguel Island) State Marine Reserve (Ia) <1
2005 San Miguel Island Special Closure A-1 (Ia) <1
2005 Anacapa Island Special Closure (A) Special Closure (A) (V) <1
2005 Anacapa Island Special Closure (B) (Ia) <1
2007 Footprint State Marine Reserve (Ia) 1
2012 Farnsworth Onshore (Catalina Island) State Marine Conservation Area (V) <1
2012 Blue Cavern (Catalina Island) State Marine Conservation Area (Ia) <1
2012 Long Point (Catalina Island) State Marine Reserve (Ia) <1
2012 Arrow Point to Lion Head Point (Catalina Island) State Marine Conservation Area (V) <1
2012 Farnsworth Offshore (Catalina Island) State Marine Conservation Area (V) <1
2012 Bird Rock (Catalina Island) State Marine Conservation Area (V) <1
2012 Cat Harbor (Catalina Island) State Marine Conservation Area (V) <1
2012 Lover's Cove (Catalina Island) State Marine Conservation Area (V) <1
2012 Casino Point (Catalina Island) State Marine Conservation Area (Ia) <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 23/12/2024.