Redwood City

Ecosystem Overview

The Redwood City ecosystem supports 100 documented wildlife species across 84 taxonomic genera. Located in San Mateo County, California, this area provides critical habitat with diverse natural communities. The location hosts 21 frequently observed species and 19 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. This location ranks #3 for species diversity among 28 San Mateo County County natural areas, placing it in the 89th percentile for biodiversity.

Biodiversity Highlights

100

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 28 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#3 of 28 locations

89th percentile for diversity

vs. San Mateo County

0% 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 100 total documented species.

Corvus brachyrhynchos

American Crow

Very Common160 obs.

Branta canadensis

Canada goose

Very Common135 obs.

Lepus californicus

Black-tailed Jack Rabbit

Very Common111 obs.

Calypte anna

Anna's Hummingbird

Very Common109 obs.

Egretta thula

Snowy Egret

Very Common101 obs.

Sciurus carolinensis

Grey squirrel

Common85 obs.

Sayornis nigricans

black phoebe

Common85 obs.

Spatula clypeata

Northern Shoveler

Common60 obs.

Procyon lotor

raccoon, northern raccoon

Common58 obs.

Himantopus mexicanus

Black-necked Stilt

Common57 obs.

Anas platyrhynchos

mallard

Common56 obs.

Recurvirostra americana

American avocet

Occasional52 obs.

Tringa melanoleuca

Greater Yellowlegs

Occasional52 obs.

Calochortus albus

fairy-lantern

Occasional51 obs.

Junco hyemalis

dark-eyed junco

Occasional50 obs.

Pedicularis densiflora

Indian warrior

Occasional48 obs.

Hirundo rustica

barn swallow

Occasional47 obs.

Ardea alba

Great Egret

Rare47 obs.

Zenaida macroura

Mourning Dove

Rare44 obs.

Toxicodendron diversilobum

poison oak

Rare41 obs.

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Most Common Species

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Get Your Personalized Field Guide

Download a professional PDF field guide featuring all the species found in Redwood City. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

100

Species Count

+4%

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

0% vs. current

San Mateo

Importance: 0.49

100 species

0% vs. current

Menlo Park

Importance: 0.46

100 species

0% vs. current

Daly City

Importance: 0.44

100 species

0% vs. current

Foster City

Importance: 0.43

100 species

0% vs. current

South San Francisco

Importance: 0.43

100 species

0% vs. current

San Carlos

Importance: 0.42

100 species

0% vs. current

East Palo Alto

Importance: 0.41

71 species

+41% 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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Ecosystem Overview

Biodiversity Highlights

100

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 28 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#3 of 28 locations

89th percentile for diversity

vs. San Mateo County

0% species diversity

Regional Comparison

Regional Ranking

100

Species Count

+4%

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

0% vs. current

San Mateo

Importance: 0.49

100 species

0% vs. current

Menlo Park

Importance: 0.46

100 species

0% vs. current

Daly City

Importance: 0.44

100 species

0% vs. current

Foster City

Importance: 0.43

100 species

0% vs. current

South San Francisco

Importance: 0.43

100 species

0% vs. current

San Carlos

Importance: 0.42

100 species

0% vs. current

East Palo Alto

Importance: 0.41

71 species

+41% vs. current

About This Comparison

Most Common Species

Showing 20 most frequently observed species out of 100 total documented species.

Corvus brachyrhynchos

American Crow

Very Common160 obs.

Branta canadensis

Canada goose

Very Common135 obs.

Lepus californicus

Black-tailed Jack Rabbit

Very Common111 obs.

Calypte anna

Anna's Hummingbird

Very Common109 obs.

Egretta thula

Snowy Egret

Very Common101 obs.

Sciurus carolinensis

Grey squirrel

Common85 obs.

Sayornis nigricans

black phoebe

Common85 obs.

Spatula clypeata

Northern Shoveler

Common60 obs.

Procyon lotor

raccoon, northern raccoon

Common58 obs.

Himantopus mexicanus

Black-necked Stilt

Common57 obs.

Anas platyrhynchos

mallard

Common56 obs.

Recurvirostra americana

American avocet

Occasional52 obs.

Tringa melanoleuca

Greater Yellowlegs

Occasional52 obs.

Calochortus albus

fairy-lantern

Occasional51 obs.

Junco hyemalis

dark-eyed junco

Occasional50 obs.

Pedicularis densiflora

Indian warrior

Occasional48 obs.

Hirundo rustica

barn swallow

Occasional47 obs.

Ardea alba

Great Egret

Rare47 obs.

Zenaida macroura

Mourning Dove

Rare44 obs.

Toxicodendron diversilobum

poison oak

Rare41 obs.

Want the Complete Field Guide?

Get all 100 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.