East Palo Alto

Ecosystem Overview

The East Palo Alto ecosystem supports 71 documented wildlife species across 62 taxonomic genera. Located in San Mateo County, California, this area provides critical habitat with diverse natural communities. The location hosts 15 frequently observed species and 14 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While San Mateo County nearby has 29% more documented species, East Palo Alto offers unique wildlife observation opportunities. This location ranks #13 for species diversity among 28 San Mateo County County natural areas, placing it in the 54th percentile for biodiversity.

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

#13

Regional Rank

Out of 28 locations

Species Distribution

Very Common15 species

Common21 species

Occasional21 species

Rare14 species

Regional Context

Regional Ranking

#13 of 28 locations

54th percentile for diversity

vs. San Mateo County

-29% species diversity

Ecosystem Overview

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Biodiversity Highlights

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Species Distribution

Very Common‌

Common‌

Occasional‌

Rare‌

Regional Context

Regional Ranking

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Most Common Species

Showing 20 most frequently observed species out of 71 total documented species.

Spatula clypeata

Northern Shoveler

Very Common5 obs.

Zonotrichia leucophrys

white-crowned sparrow

Very Common4 obs.

Sayornis nigricans

black phoebe

Very Common4 obs.

Melospiza melodia

Song Sparrow

Very Common3 obs.

Fulica americana

American Coot

Very Common3 obs.

Passerculus sandwichensis

Savannah Sparrow

Common3 obs.

Haemorhous mexicanus

House Finch

Common3 obs.

Anas crecca

teal, common teal

Common3 obs.

Otospermophilus beecheyi

California ground squirrel

Common3 obs.

Cerithideopsis californica

Common3 obs.

Egretta thula

Snowy Egret

Common3 obs.

Tringa melanoleuca

Greater Yellowlegs

Occasional2 obs.

Recurvirostra americana

American avocet

Occasional2 obs.

Calidris minutilla

least sandpiper

Occasional2 obs.

Streptopelia decaocto

collared dove, eurasian collared dove

Occasional2 obs.

Zenaida macroura

Mourning Dove

Occasional2 obs.

Sialia currucoides

Mountain Bluebird

Occasional2 obs.

Corvus brachyrhynchos

American Crow

Rare2 obs.

Cathartes aura

Turkey Vulture

Rare2 obs.

Geukensia demissa

Ribbed Mussel

Rare2 obs.

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Most Common Species

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Regional Comparison

Regional Ranking

Species Count

-29%

vs. Regional Average

Compared to 8 nearby locations in San Mateo County County, California

Nearby Natural Areas

San Mateo County

Importance: 0.50

100 species

-29% vs. current

San Mateo

Importance: 0.49

100 species

-29% vs. current

Redwood City

Importance: 0.49

100 species

-29% vs. current

Menlo Park

Importance: 0.46

100 species

-29% vs. current

Daly City

Importance: 0.44

100 species

-29% vs. current

Foster City

Importance: 0.43

100 species

-29% vs. current

South San Francisco

Importance: 0.43

100 species

-29% vs. current

San Carlos

Importance: 0.42

100 species

-29% vs. current

About This Comparison

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 San Mateo County County.

Regional Comparison

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Regional Ranking

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Species Count

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vs. Regional Average

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Nearby Natural Areas

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About This Comparison

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Regional Comparison

Regional Ranking

Species Count

-29%

vs. Regional Average

Compared to 8 nearby locations in San Mateo County County, California

Nearby Natural Areas

San Mateo County

Importance: 0.50

100 species

-29% vs. current

San Mateo

Importance: 0.49

100 species

-29% vs. current

Redwood City

Importance: 0.49

100 species

-29% vs. current

Menlo Park

Importance: 0.46

100 species

-29% vs. current

Daly City

Importance: 0.44

100 species

-29% vs. current

Foster City

Importance: 0.43

100 species

-29% vs. current

South San Francisco

Importance: 0.43

100 species

-29% vs. current

San Carlos

Importance: 0.42

100 species

-29% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

#13

Regional Rank

Out of 28 locations

Species Distribution

Very Common15 species

Common21 species

Occasional21 species

Rare14 species

Regional Context

Regional Ranking

#13 of 28 locations

54th percentile for diversity

vs. San Mateo County

-29% species diversity

Most Common Species

Showing 20 most frequently observed species out of 71 total documented species.

Spatula clypeata

Northern Shoveler

Very Common5 obs.

Zonotrichia leucophrys

white-crowned sparrow

Very Common4 obs.

Sayornis nigricans

black phoebe

Very Common4 obs.

Melospiza melodia

Song Sparrow

Very Common3 obs.

Fulica americana

American Coot

Very Common3 obs.

Passerculus sandwichensis

Savannah Sparrow

Common3 obs.

Haemorhous mexicanus

House Finch

Common3 obs.

Anas crecca

teal, common teal

Common3 obs.

Otospermophilus beecheyi

California ground squirrel

Common3 obs.

Cerithideopsis californica

Common3 obs.

Egretta thula

Snowy Egret

Common3 obs.

Tringa melanoleuca

Greater Yellowlegs

Occasional2 obs.

Recurvirostra americana

American avocet

Occasional2 obs.

Calidris minutilla

least sandpiper

Occasional2 obs.

Streptopelia decaocto

collared dove, eurasian collared dove

Occasional2 obs.

Zenaida macroura

Mourning Dove

Occasional2 obs.

Sialia currucoides

Mountain Bluebird

Occasional2 obs.

Corvus brachyrhynchos

American Crow

Rare2 obs.

Cathartes aura

Turkey Vulture

Rare2 obs.

Geukensia demissa

Ribbed Mussel

Rare2 obs.

Want the Complete Field Guide?

Get all 71 species with 3-4 high-quality images each, detailed descriptions, and a downloadable PDF for offline use.

Premium field guide includes identification tips, seasonal patterns, and professional layout optimized for field use.