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Vasona Reservoir

Ecosystem Overview

The Vasona Reservoir ecosystem supports 44 documented wildlife species across 41 taxonomic genera. Located in santa clara county, california, this area provides critical habitat with diverse natural communities. The location hosts 9 frequently observed species and 8 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While San José nearby has 56% more documented species, Vasona Reservoir offers unique wildlife observation opportunities. This location ranks #20 for species diversity among 96 santa clara county County natural areas, placing it in the 79th percentile for biodiversity.

Biodiversity Highlights

44
Total Species
Documented wildlife species
41
Genus Diversity
Taxonomic genera represented
23
Common Species
Frequently observed species
21
Rare Species
Occasionally documented species
#20
Regional Rank
Out of 96 locations

Species Distribution

Very Common9 species
Common14 species
Occasional13 species
Rare8 species

Regional Context

Regional Ranking
#20 of 96 locations
79th percentile for diversity
vs. San José
-56% species diversity

Most Common Species

Showing 20 most frequently observed species out of 44 total documented species.

Pacifastacus leniusculus

Pacifastacus leniusculus

Signal crayfish

Very Common61 obs.
Podilymbus podiceps

Podilymbus podiceps

Pied-billed grebe

Very Common21 obs.
Butorides virescens

Butorides virescens

green heron

Very Common20 obs.
Procambarus clarkii

Procambarus clarkii

red swamp crawfish

Very Common19 obs.
Fulica americana

Fulica americana

American Coot

Very Common18 obs.
Potamopyrgus antipodarum

Potamopyrgus antipodarum

New Zealand mud snail

Common12 obs.
Nycticorax nycticorax

Nycticorax nycticorax

night heron, black-crowned night heron

Common10 obs.
Ardea alba

Ardea alba

Great Egret

Common10 obs.
Lithobates catesbeianus

Lithobates catesbeianus

Common Bullfrog

Common8 obs.
Branta canadensis

Branta canadensis

Canada goose

Common8 obs.
Egretta thula

Egretta thula

Snowy Egret

Common8 obs.
Corbicula fluminea

Corbicula fluminea

asian clam

Occasional7 obs.
Mergus merganser

Mergus merganser

goosander

Occasional7 obs.
Anas platyrhynchos

Anas platyrhynchos

mallard

Occasional5 obs.
Megaceryle alcyon

Megaceryle alcyon

Belted Kingfisher

Occasional5 obs.
Cyprinus carpio

Cyprinus carpio

common carp, carp

Occasional4 obs.
Trachemys scripta

Trachemys scripta

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

Occasional3 obs.
Ardea herodias

Ardea herodias

Great Blue Heron

Rare3 obs.
Actinemys marmorata

Actinemys marmorata

western pond turtle

Rare2 obs.
Sympetrum illotum

Sympetrum illotum

Cardinal Meadowhawk

Rare2 obs.

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No comparable locations found in this region.

Nearby Wildlife Areas in Santa Clara County

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

Regional Wildlife Network

These nearby locations complement Vasona Reservoirwithin Santa Clara County's wildlife network. Species counts reflect documented observations and help identify the most biodiverse areas for your nature explorations.

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