Maricich Lagoon

Ecosystem Overview

The Maricich Lagoon ecosystem supports 55 documented wildlife species across 48 taxonomic genera. Located in Contra Costa County, California, this area provides critical habitat with diverse natural communities. The location hosts 12 frequently observed species and 10 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Contra Costa County nearby has 45% more documented species, Maricich Lagoon offers unique wildlife observation opportunities. This location ranks #17 for species diversity among 45 Contra Costa County County natural areas, placing it in the 62th 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

#17

Regional Rank

Out of 45 locations

Species Distribution

Very Common12 species

Common16 species

Occasional17 species

Rare10 species

Regional Context

Regional Ranking

#17 of 45 locations

62th percentile for diversity

vs. Contra Costa County

-45% 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 55 total documented species.

Pseudacris regilla

Pacific chorus frog

Very Common25 obs.

Anax junius

Green Darner

Very Common12 obs.

Sympetrum illotum

Cardinal Meadowhawk

Very Common10 obs.

Taricha granulosa

Rough-skinned Newt

Very Common10 obs.

Icaricia acmon

Acmon Blue

Very Common9 obs.

Ischnura perparva

Western Forktail

Common9 obs.

Pachydiplax longipennis

Blue Dasher

Common8 obs.

Sympetrum corruptum

Variegated Meadowhawk

Common8 obs.

Taricha torosa

California Newt

Common7 obs.

Plathemis lydia

Common Whitetail

Common6 obs.

Libellula pulchella

Twelve-spotted Skimmer

Common5 obs.

Sayornis nigricans

black phoebe

Occasional5 obs.

Junonia grisea

Occasional4 obs.

Lestes congener

Spotted Spreadwing

Occasional4 obs.

Gallinago delicata

Wilson's Snipe

Occasional3 obs.

Anas platyrhynchos

mallard

Occasional3 obs.

Mentha pulegium

penny-royal

Occasional3 obs.

Azolla filiculoides

water fern

Rare3 obs.

Rhionaeschna multicolor

Blue-eyed Darner

Rare2 obs.

Ischnura cervula

Pacific Forktail

Rare2 obs.

Want the Complete Field Guide?

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Most Common Species

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Want the Complete Field Guide?

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Get Your Personalized Field Guide

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

$6.99

Get Your Personalized Field Guide

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

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$6.99

Regional Comparison

Regional Ranking

Species Count

-33%

vs. Regional Average

Compared to 8 nearby locations in Contra Costa County County, California

Nearby Natural Areas

Contra Costa County

Importance: 0.49

100 species

-45% vs. current

Richmond

Importance: 0.49

100 species

-45% vs. current

Concord

Importance: 0.46

100 species

-45% vs. current

Walnut Creek

Importance: 0.45

100 species

-45% vs. current

Antioch

Importance: 0.44

100 species

-45% vs. current

Moraga

Importance: 0.43

47 species

+17% vs. current

Orinda

Importance: 0.43

100 species

-45% vs. current

Pittsburg

Importance: 0.43

11 species

+400% 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 Contra Costa 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

-33%

vs. Regional Average

Compared to 8 nearby locations in Contra Costa County County, California

Nearby Natural Areas

Contra Costa County

Importance: 0.49

100 species

-45% vs. current

Richmond

Importance: 0.49

100 species

-45% vs. current

Concord

Importance: 0.46

100 species

-45% vs. current

Walnut Creek

Importance: 0.45

100 species

-45% vs. current

Antioch

Importance: 0.44

100 species

-45% vs. current

Moraga

Importance: 0.43

47 species

+17% vs. current

Orinda

Importance: 0.43

100 species

-45% vs. current

Pittsburg

Importance: 0.43

11 species

+400% vs. current

About This Comparison

Most Common Species

Showing 20 most frequently observed species out of 55 total documented species.

Pseudacris regilla

Pacific chorus frog

Very Common25 obs.

Anax junius

Green Darner

Very Common12 obs.

Sympetrum illotum

Cardinal Meadowhawk

Very Common10 obs.

Taricha granulosa

Rough-skinned Newt

Very Common10 obs.

Icaricia acmon

Acmon Blue

Very Common9 obs.

Ischnura perparva

Western Forktail

Common9 obs.

Pachydiplax longipennis

Blue Dasher

Common8 obs.

Sympetrum corruptum

Variegated Meadowhawk

Common8 obs.

Taricha torosa

California Newt

Common7 obs.

Plathemis lydia

Common Whitetail

Common6 obs.

Libellula pulchella

Twelve-spotted Skimmer

Common5 obs.

Sayornis nigricans

black phoebe

Occasional5 obs.

Junonia grisea

Occasional4 obs.

Lestes congener

Spotted Spreadwing

Occasional4 obs.

Gallinago delicata

Wilson's Snipe

Occasional3 obs.

Anas platyrhynchos

mallard

Occasional3 obs.

Mentha pulegium

penny-royal

Occasional3 obs.

Azolla filiculoides

water fern

Rare3 obs.

Rhionaeschna multicolor

Blue-eyed Darner

Rare2 obs.

Ischnura cervula

Pacific Forktail

Rare2 obs.

Want the Complete Field Guide?

Get all 55 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.

Ecosystem Overview

Biodiversity Highlights

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

#17

Regional Rank

Out of 45 locations

Species Distribution

Very Common12 species

Common16 species

Occasional17 species

Rare10 species

Regional Context

Regional Ranking

#17 of 45 locations

62th percentile for diversity

vs. Contra Costa County

-45% species diversity