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Treasure Island

Ecosystem Overview

The Treasure Island ecosystem supports 53 documented wildlife species across 51 taxonomic genera. Located in san francisco city and county, california, this area provides critical habitat with diverse natural communities. The location hosts 11 frequently observed species and 10 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While San Francisco nearby has 47% more documented species, Treasure Island offers unique wildlife observation opportunities. This location ranks #8 for species diversity among 21 san francisco city and county County natural areas, placing it in the 62th percentile for biodiversity.

Biodiversity Highlights

53
Total Species
Documented wildlife species
51
Genus Diversity
Taxonomic genera represented
27
Common Species
Frequently observed species
26
Rare Species
Occasionally documented species
#8
Regional Rank
Out of 21 locations

Species Distribution

Very Common11 species
Common16 species
Occasional16 species
Rare10 species

Regional Context

Regional Ranking
#8 of 21 locations
62th percentile for diversity
vs. San Francisco
-47% species diversity

Most Common Species

Showing 20 most frequently observed species out of 53 total documented species.

Zonotrichia leucophrys

Zonotrichia leucophrys

white-crowned sparrow

Very Common3 obs.
Eucalyptus globulus

Eucalyptus globulus

tasmanian-blue-gum

Very Common2 obs.
Distichlis spicata

Distichlis spicata

Saltgrass

Very Common2 obs.
Achillea millefolium

Achillea millefolium

yarrow, milfoil

Very Common2 obs.
Anas platyrhynchos

Anas platyrhynchos

mallard

Very Common2 obs.
Clarkia unguiculata

Clarkia unguiculata

clarkia

Common2 obs.
Metrosideros excelsa

Metrosideros excelsa

New Zealand Christmastree

Common2 obs.
Muehlenbeckia complexa

Muehlenbeckia complexa

Maidenhair vine

Common1 obs.
Sambucus cerulea

Sambucus cerulea

blue elder

Common1 obs.
Zostera marina

Zostera marina

eelgrass

Common1 obs.
Chasmanthe floribunda

Chasmanthe floribunda

African cornflag

Common1 obs.
Rubus ursinus

Rubus ursinus

California blackberry

Occasional1 obs.
Leratiomyces ceres

Leratiomyces ceres

Redlead Roundhead

Occasional1 obs.
Coprosma repens

Coprosma repens

Creeping mirrorplant

Occasional1 obs.
Pittosporum crassifolium

Pittosporum crassifolium

Stiffleaf cheesewood

Occasional1 obs.
Melilotus albus

Melilotus albus

white melilot

Occasional1 obs.
Calystegia purpurata

Calystegia purpurata

Occasional1 obs.
Oemleria cerasiformis

Oemleria cerasiformis

Indian plum

Rare1 obs.
Buteo jamaicensis

Buteo jamaicensis

Red-tailed Hawk

Rare1 obs.
Zalophus californianus

Zalophus californianus

California Sealion

Rare1 obs.

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No comparable locations found in this region.

Nearby Wildlife Areas in San Francisco City And County

Discover 8 other wildlife-rich locations near Treasure Island. Each offers unique biodiversity and wildlife viewing opportunities.

Regional Wildlife Network

These nearby locations complement Treasure Islandwithin San Francisco City And County's wildlife network. Species counts reflect documented observations and help identify the most biodiverse areas for your nature explorations.

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