Download a professional PDF field guide featuring all the species found in Treasure Island Park. Perfect for outdoor adventures, education, and nature exploration.
Your field guide will be delivered to this email address. Please double-check for accuracy.
Compared to 4 nearby locations in Treasure Island 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 Treasure Island County.
Showing 20 most frequently observed species out of 80 total documented species.

Stinkwort
Egret
Crabeater

Beach Suncup

Coyotebrush

Golden Dewdrops
Black Phoebe

Emory'S Baccharis
Great Blue Heron
Night Heron

Telegraphweed
Western Gull

Sea Bindweed
Redhead

Apache-Beads
Shoeblackplant
European Searocket
California Rabbit-Tobacco
Get all 80 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
The Treasure Island Park ecosystem supports 80 documented wildlife species across 73 taxonomic genera. Located in Treasure Island, California, this area provides critical habitat with diverse natural communities. The location hosts 17 frequently observed species and 15 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. This location ranks #4 for species diversity among 5 Treasure Island County natural areas, placing it in the 20th percentile for biodiversity.