Lake Ranch Reservoir

Ecosystem Overview

The Lake Ranch Reservoir ecosystem supports 50 documented wildlife species across 47 taxonomic genera. Located in Santa Clara County, California, this area provides critical habitat with diverse natural communities. The location hosts 11 frequently observed species and 9 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While San José nearby has 50% more documented species, Lake Ranch Reservoir offers unique wildlife observation opportunities. This location ranks #19 for species diversity among 96 Santa Clara County County natural areas, placing it in the 80th 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

#19

Regional Rank

Out of 96 locations

Species Distribution

Very Common11 species

Common15 species

Occasional15 species

Rare9 species

Regional Context

Regional Ranking

#19 of 96 locations

80th percentile for diversity

vs. San José

-50% 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 50 total documented species.

Ammannia robusta

scarlet ammannia

Very Common4 obs.

Lindernia dubia

Moist-Bank Pimpernel

Very Common4 obs.

Icaricia acmon

Acmon Blue

Very Common3 obs.

Acmispon americanus

Spanish clover

Very Common2 obs.

Alisma triviale

northern water-plantain

Very Common2 obs.

Coenonympha california

Common Ringlet

Common2 obs.

Ludwigia palustris

hampshire-purslane

Common2 obs.

Gnaphalium palustre

western marsh cudweed

Common2 obs.

Cyprinus carpio

common carp, carp

Common2 obs.

Cyperus erythrorhizos

red-root flat sedge

Common2 obs.

Procambarus clarkii

red swamp crawfish

Common2 obs.

Junonia grisea

Occasional2 obs.

Libellula saturata

Flame Skimmer

Occasional1 obs.

Halictus farinosus

Occasional1 obs.

Taricha torosa

California Newt

Occasional1 obs.

Camnula pellucida

Clear-Winged Locust

Occasional1 obs.

Scaeva affinis

Occasional1 obs.

Sympetrum illotum

Cardinal Meadowhawk

Rare1 obs.

Sympetrum corruptum

Variegated Meadowhawk

Rare1 obs.

Graphopsocus cruciatus

Rare1 obs.

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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 Lake Ranch Reservoir. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

Species Count

-50%

vs. Regional Average

Compared to 8 nearby locations in Santa Clara County County, California

Nearby Natural Areas

San José

Importance: 0.59

100 species

-50% vs. current

Palo Alto

Importance: 0.52

100 species

-50% vs. current

Santa Clara County

Importance: 0.50

100 species

-50% vs. current

Sunnyvale

Importance: 0.49

100 species

-50% vs. current

Mountain View

Importance: 0.49

100 species

-50% vs. current

Cupertino

Importance: 0.47

100 species

-50% vs. current

Stanford

Importance: 0.46

100 species

-50% vs. current

Los Gatos

Importance: 0.45

100 species

-50% 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 Santa Clara 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

-50%

vs. Regional Average

Compared to 8 nearby locations in Santa Clara County County, California

Nearby Natural Areas

San José

Importance: 0.59

100 species

-50% vs. current

Palo Alto

Importance: 0.52

100 species

-50% vs. current

Santa Clara County

Importance: 0.50

100 species

-50% vs. current

Sunnyvale

Importance: 0.49

100 species

-50% vs. current

Mountain View

Importance: 0.49

100 species

-50% vs. current

Cupertino

Importance: 0.47

100 species

-50% vs. current

Stanford

Importance: 0.46

100 species

-50% vs. current

Los Gatos

Importance: 0.45

100 species

-50% 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

#19

Regional Rank

Out of 96 locations

Species Distribution

Very Common11 species

Common15 species

Occasional15 species

Rare9 species

Regional Context

Regional Ranking

#19 of 96 locations

80th percentile for diversity

vs. San José

-50% species diversity

Most Common Species

Showing 20 most frequently observed species out of 50 total documented species.

Ammannia robusta

scarlet ammannia

Very Common4 obs.

Lindernia dubia

Moist-Bank Pimpernel

Very Common4 obs.

Icaricia acmon

Acmon Blue

Very Common3 obs.

Acmispon americanus

Spanish clover

Very Common2 obs.

Alisma triviale

northern water-plantain

Very Common2 obs.

Coenonympha california

Common Ringlet

Common2 obs.

Ludwigia palustris

hampshire-purslane

Common2 obs.

Gnaphalium palustre

western marsh cudweed

Common2 obs.

Cyprinus carpio

common carp, carp

Common2 obs.

Cyperus erythrorhizos

red-root flat sedge

Common2 obs.

Procambarus clarkii

red swamp crawfish

Common2 obs.

Junonia grisea

Occasional2 obs.

Libellula saturata

Flame Skimmer

Occasional1 obs.

Halictus farinosus

Occasional1 obs.

Taricha torosa

California Newt

Occasional1 obs.

Camnula pellucida

Clear-Winged Locust

Occasional1 obs.

Scaeva affinis

Occasional1 obs.

Sympetrum illotum

Cardinal Meadowhawk

Rare1 obs.

Sympetrum corruptum

Variegated Meadowhawk

Rare1 obs.

Graphopsocus cruciatus

Rare1 obs.

Want the Complete Field Guide?

Get all 50 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.