Download a professional PDF field guide featuring all the species found in Orange County. Perfect for outdoor adventures, education, and nature exploration.
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Compared to 8 nearby locations in Orange County County, California
These comparisons are based on documented wildlife observations from citizen science data. Locations with higher species counts may have more observation activity, different habitat types, or larger coverage areas. Regional rankings help identify biodiversity hotspots and unique natural areas within Orange County County.
Showing 20 most frequently observed species out of 79 total documented species.

Garibaldi Damselfish
California Sheephead

Rock Wrasse
Sea Bass

Blacksmith

Butterlips

Hump
Sea Bass
Ochre Stars
Purple Sea Urchin

Opaleye
Egret

Red Sea Urchin
Mallard
Western Fence Lizard
Grunt
California-Buckwheat

Willet
Get all 79 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
The Orange County ecosystem supports 79 documented wildlife species across 72 taxonomic genera. Located in Orange County, California, this area provides critical habitat with diverse natural communities. The location hosts 16 frequently observed species and 15 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. Compared to nearby Anaheim, Orange County hosts 1% more species diversity.