Download a professional PDF field guide featuring all the species found in Irvine. Perfect for outdoor adventures, education, and nature exploration.
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Showing 20 most frequently observed species out of 79 total documented species.

Garibaldi Damselfish
California Sheephead

Rock Wrasse
Sea Bass

Blacksmith

Butterlips
Sea Bass
Ochre Stars

Hump

Opaleye
Purple Sea Urchin
Western Fence Lizard

Red Sea Urchin
Mallard
Song Sparrow
Grunt
Egret
Ae'O
Get all 79 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
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.
The Irvine ecosystem supports 79 documented wildlife species across 73 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, Irvine hosts 1% more species diversity.