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Jewel Lake

Ecosystem Overview

The Jewel Lake ecosystem supports 76 documented wildlife species across 70 taxonomic genera. Located in contra costa county, california, this area provides critical habitat with diverse natural communities. The location hosts 16 frequently observed species and 15 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Contra Costa County nearby has 24% more documented species, Jewel Lake offers unique wildlife observation opportunities. This location ranks #12 for species diversity among 45 contra costa county County natural areas, placing it in the 73th percentile for biodiversity.

Biodiversity Highlights

76
Total Species
Documented wildlife species
70
Genus Diversity
Taxonomic genera represented
39
Common Species
Frequently observed species
37
Rare Species
Occasionally documented species
#12
Regional Rank
Out of 45 locations

Species Distribution

Very Common16 species
Common23 species
Occasional22 species
Rare15 species

Regional Context

Regional Ranking
#12 of 45 locations
73th percentile for diversity
vs. Contra Costa County
-24% species diversity

Most Common Species

Showing 20 most frequently observed species out of 76 total documented species.

Actinemys marmorata

Actinemys marmorata

western pond turtle

Very Common37 obs.
Argia vivida

Argia vivida

Vivid Dancer

Very Common12 obs.
Melospiza melodia

Melospiza melodia

Song Sparrow

Very Common11 obs.
Anas platyrhynchos

Anas platyrhynchos

mallard

Very Common11 obs.
Lithobates catesbeianus

Lithobates catesbeianus

Common Bullfrog

Very Common10 obs.
Bucephala albeola

Bucephala albeola

Bufflehead

Common6 obs.
Sayornis nigricans

Sayornis nigricans

black phoebe

Common5 obs.
Turdus migratorius

Turdus migratorius

American Robin

Common5 obs.
Setophaga townsendi

Setophaga townsendi

Townsend's Warbler

Common5 obs.
Sympetrum illotum

Sympetrum illotum

Cardinal Meadowhawk

Common4 obs.
Diabrotica undecimpunctata

Diabrotica undecimpunctata

Spotted Cucumber Beetle

Common3 obs.
Ardea alba

Ardea alba

Great Egret

Occasional3 obs.
Poecile rufescens

Poecile rufescens

Chestnut-backed Chickadee

Occasional3 obs.
Pseudacris regilla

Pseudacris regilla

Pacific chorus frog

Occasional2 obs.
Limenitis lorquini

Limenitis lorquini

Lorquin'S Admiral

Occasional2 obs.
Equisetum telmateia

Equisetum telmateia

Great Horsetail

Occasional2 obs.
Calypte anna

Calypte anna

Anna's Hummingbird

Occasional2 obs.
Megaceryle alcyon

Megaceryle alcyon

Belted Kingfisher

Rare2 obs.
Lontra canadensis

Lontra canadensis

River Otter

Rare2 obs.
Papilio zelicaon

Papilio zelicaon

Western Swallowtail

Rare2 obs.

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No comparable locations found in this region.

Nearby Wildlife Areas in Contra Costa County

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

Regional Wildlife Network

These nearby locations complement Jewel Lakewithin Contra Costa County's wildlife network. Species counts reflect documented observations and help identify the most biodiverse areas for your nature explorations.

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