The Lake Anza ecosystem supports 34 documented wildlife species across 33 taxonomic genera. Located in contra costa county, california, this area provides critical habitat with diverse natural communities. The location hosts 7 frequently observed species and 6 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Contra Costa County nearby has 66% more documented species, Lake Anza offers unique wildlife observation opportunities. This location ranks #21 for species diversity among 45 contra costa county County natural areas, placing it in the 53th percentile for biodiversity.
Showing 20 most frequently observed species out of 34 total documented species.
mallard
Bufflehead
Cardinal Meadowhawk
Blue-eyed Darner
Flame Skimmer
River Otter
Common Whitetail
Pacific blue-bellied lizard
night heron, black-crowned night heron
black phoebe
Song Sparrow
Western Tiger Swallowtail
Common Bullfrog
slider turtle, red-eared terrapin, red-eared slider
Belted Kingfisher
Red-tailed Hawk
Tree/Violet-Green Swallow
Hermit Thrush
Ring-necked Duck
Get all 34 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.
Download a professional PDF field guide featuring all the species found in Lake Anza. Perfect for outdoor adventures, education, and nature exploration.
Download a professional PDF field guide featuring all the species found in Lake Anza. Perfect for outdoor adventures, education, and nature exploration.
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Discover 8 other wildlife-rich locations near Lake Anza. Each offers unique biodiversity and wildlife viewing opportunities.
These nearby locations complement Lake Anzawithin Contra Costa County's wildlife network. Species counts reflect documented observations and help identify the most biodiverse areas for your nature explorations.