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Lake Hennessey

Ecosystem Overview

The Lake Hennessey ecosystem supports 34 documented wildlife species across 33 taxonomic genera. Located in napa county, california, this area provides critical habitat with diverse natural communities. The location hosts 7 frequently observed species and 6 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Napa nearby has 66% more documented species, Lake Hennessey offers unique wildlife observation opportunities. This location ranks #3 for species diversity among 7 napa county County natural areas, placing it in the 57th percentile for biodiversity.

Biodiversity Highlights

34
Total Species
Documented wildlife species
33
Genus Diversity
Taxonomic genera represented
18
Common Species
Frequently observed species
16
Rare Species
Occasionally documented species
#3
Regional Rank
Out of 7 locations

Species Distribution

Very Common7 species
Common11 species
Occasional10 species
Rare6 species

Regional Context

Regional Ranking
#3 of 7 locations
57th percentile for diversity
vs. Napa
-66% species diversity

Most Common Species

Showing 20 most frequently observed species out of 34 total documented species.

Toxomerus marginatus

Toxomerus marginatus

Syrphid Fly

Very Common3 obs.
Arbutus menziesii

Arbutus menziesii

Pacific madrone

Very Common3 obs.
Vespula pensylvanica

Vespula pensylvanica

Very Common2 obs.
Fulica americana

Fulica americana

American Coot

Very Common2 obs.
Aechmophorus occidentalis

Aechmophorus occidentalis

Western Grebe

Very Common2 obs.
Podilymbus podiceps

Podilymbus podiceps

Pied-billed grebe

Common2 obs.
Mentha pulegium

Mentha pulegium

penny-royal

Common2 obs.
Diabrotica undecimpunctata

Diabrotica undecimpunctata

Spotted Cucumber Beetle

Common1 obs.
Apis mellifera

Apis mellifera

Western Honey Bee

Common1 obs.
Ischnura cervula

Ischnura cervula

Pacific Forktail

Common1 obs.
Erythemis collocata

Erythemis collocata

Western Pondhawk

Common1 obs.
Marmara arbutiella

Marmara arbutiella

Occasional1 obs.
Alopecosa kochi

Alopecosa kochi

Occasional1 obs.
Armadillidium vulgare

Armadillidium vulgare

common pill woodlouse

Occasional1 obs.
Procambarus clarkii

Procambarus clarkii

red swamp crawfish

Occasional1 obs.
Microtus californicus

Microtus californicus

California Vole

Occasional1 obs.
Pandion haliaetus

Pandion haliaetus

osprey

Occasional1 obs.
Gallinago delicata

Gallinago delicata

Wilson's Snipe

Rare1 obs.
Cathartes aura

Cathartes aura

Turkey Vulture

Rare1 obs.
Melospiza melodia

Melospiza melodia

Song Sparrow

Rare1 obs.

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No comparable locations found in this region.

Nearby Wildlife Areas in Napa County

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

Regional Wildlife Network

These nearby locations complement Lake Hennesseywithin Napa County's wildlife network. Species counts reflect documented observations and help identify the most biodiverse areas for your nature explorations.

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