Lake Temescal

Ecosystem Overview

The Lake Temescal ecosystem supports 54 documented wildlife species across 49 taxonomic genera. Located in Alameda County, California, this area provides critical habitat with diverse natural communities. The location hosts 11 frequently observed species and 10 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Oakland nearby has 46% more documented species, Lake Temescal offers unique wildlife observation opportunities. This location ranks #16 for species diversity among 33 Alameda County County natural areas, placing it in the 52th 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

#16

Regional Rank

Out of 33 locations

Species Distribution

Very Common11 species

Common17 species

Occasional16 species

Rare10 species

Regional Context

Regional Ranking

#16 of 33 locations

52th percentile for diversity

vs. Oakland

-46% 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 54 total documented species.

Nycticorax nycticorax

night heron, black-crowned night heron

Very Common8 obs.

Pelecanus erythrorhynchos

American White Pelican

Very Common6 obs.

Fulica americana

American Coot

Very Common6 obs.

Podilymbus podiceps

Pied-billed grebe

Very Common5 obs.

Anas platyrhynchos

mallard

Very Common5 obs.

Ardea herodias

Great Blue Heron

Common4 obs.

Sayornis nigricans

black phoebe

Common4 obs.

Butorides virescens

green heron

Common3 obs.

Melospiza melodia

Song Sparrow

Common3 obs.

Taraxacum officinale

common dandelion

Common2 obs.

Physocarpus capitatus

Pacific ninebark

Common2 obs.

Oxyura jamaicensis

Ruddy Duck

Occasional2 obs.

Buteo jamaicensis

Red-tailed Hawk

Occasional2 obs.

Claytonia perfoliata

Occasional2 obs.

Pandion haliaetus

osprey

Occasional2 obs.

Trachemys scripta

slider turtle, red-eared terrapin, red-eared slider

Occasional1 obs.

Microtus californicus

California Vole

Occasional1 obs.

Araneus diadematus

european garden spider

Rare1 obs.

Cosmopepla uhleri

Rare1 obs.

Ischnura cervula

Pacific Forktail

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 Temescal. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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

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Regional Comparison

Regional Ranking

Species Count

-46%

vs. Regional Average

Compared to 8 nearby locations in Alameda County County, California

Nearby Natural Areas

Oakland

Importance: 0.61

100 species

-46% vs. current

Berkeley

Importance: 0.59

100 species

-46% vs. current

Alameda County

Importance: 0.51

100 species

-46% vs. current

Fremont

Importance: 0.50

100 species

-46% vs. current

Hayward

Importance: 0.49

100 species

-46% vs. current

Alameda

Importance: 0.48

100 species

-46% vs. current

Emeryville

Importance: 0.45

100 species

-46% vs. current

Pleasanton

Importance: 0.45

100 species

-46% 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 Alameda 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

-46%

vs. Regional Average

Compared to 8 nearby locations in Alameda County County, California

Nearby Natural Areas

Oakland

Importance: 0.61

100 species

-46% vs. current

Berkeley

Importance: 0.59

100 species

-46% vs. current

Alameda County

Importance: 0.51

100 species

-46% vs. current

Fremont

Importance: 0.50

100 species

-46% vs. current

Hayward

Importance: 0.49

100 species

-46% vs. current

Alameda

Importance: 0.48

100 species

-46% vs. current

Emeryville

Importance: 0.45

100 species

-46% vs. current

Pleasanton

Importance: 0.45

100 species

-46% 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

#16

Regional Rank

Out of 33 locations

Species Distribution

Very Common11 species

Common17 species

Occasional16 species

Rare10 species

Regional Context

Regional Ranking

#16 of 33 locations

52th percentile for diversity

vs. Oakland

-46% species diversity

Most Common Species

Showing 20 most frequently observed species out of 54 total documented species.

Nycticorax nycticorax

night heron, black-crowned night heron

Very Common8 obs.

Pelecanus erythrorhynchos

American White Pelican

Very Common6 obs.

Fulica americana

American Coot

Very Common6 obs.

Podilymbus podiceps

Pied-billed grebe

Very Common5 obs.

Anas platyrhynchos

mallard

Very Common5 obs.

Ardea herodias

Great Blue Heron

Common4 obs.

Sayornis nigricans

black phoebe

Common4 obs.

Butorides virescens

green heron

Common3 obs.

Melospiza melodia

Song Sparrow

Common3 obs.

Taraxacum officinale

common dandelion

Common2 obs.

Physocarpus capitatus

Pacific ninebark

Common2 obs.

Oxyura jamaicensis

Ruddy Duck

Occasional2 obs.

Buteo jamaicensis

Red-tailed Hawk

Occasional2 obs.

Claytonia perfoliata

Occasional2 obs.

Pandion haliaetus

osprey

Occasional2 obs.

Trachemys scripta

slider turtle, red-eared terrapin, red-eared slider

Occasional1 obs.

Microtus californicus

California Vole

Occasional1 obs.

Araneus diadematus

european garden spider

Rare1 obs.

Cosmopepla uhleri

Rare1 obs.

Ischnura cervula

Pacific Forktail

Rare1 obs.

Want the Complete Field Guide?

Get all 54 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.