Union Township

Ecosystem Overview

The Union Township ecosystem supports 77 documented wildlife species across 66 taxonomic genera. Located in Hunterdon County, New Jersey, 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 Hunterdon County nearby has 23% more documented species, Union Township offers unique wildlife observation opportunities. This location ranks #8 for species diversity among 24 Hunterdon County County natural areas, placing it in the 67th 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

Regional Rank

Out of 24 locations

Species Distribution

Very Common16 species

Common23 species

Occasional23 species

Rare15 species

Regional Context

Regional Ranking

#8 of 24 locations

67th percentile for diversity

vs. Hunterdon County

-23% 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 77 total documented species.

Larus delawarensis

Ring-billed Gull

Very Common5 obs.

Larus fuscus

lesser black-backed gull

Very Common4 obs.

Spinus tristis

American goldfinch

Very Common3 obs.

Tringa flavipes

lesser yellowlegs

Very Common3 obs.

Haemorhous purpureus

Purple/Cassin'S Finch

Very Common3 obs.

Larus glaucoides

iceland gull

Common3 obs.

Eremophila alpestris

horned lark

Common2 obs.

Chroicocephalus philadelphia

Bonaparte's Gull

Common2 obs.

Spinus pinus

Pine Siskin

Common2 obs.

Passerculus sandwichensis

Savannah Sparrow

Common2 obs.

Larus smithsonianus

American Herring Gull

Common2 obs.

Cottus cognatus

Anadyr Sculpin

Occasional2 obs.

Mergus serrator

Red-breasted Merganser

Occasional2 obs.

Mergus merganser

goosander

Occasional2 obs.

Poecile atricapillus

Black-capped chickadee

Occasional2 obs.

Perithemis tenera

Eastern Amberwing

Occasional1 obs.

Prenolepis imparis

Small Honey Ant

Occasional1 obs.

Disholcaspis quercusglobulus

Round Bullet Gall Wasp

Rare1 obs.

Endomychus biguttatus

Rare1 obs.

Polypsocus corruptus

Rare1 obs.

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Most Common Species

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Get Your Personalized Field Guide

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

$6.99

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Regional Comparison

Regional Ranking

Species Count

-16%

vs. Regional Average

Compared to 8 nearby locations in Hunterdon County County, New Jersey

Nearby Natural Areas

Hunterdon County

Importance: 0.43

100 species

-23% vs. current

Lebanon Township

Importance: 0.35

100 species

-23% vs. current

Clinton Township

Importance: 0.35

100 species

-23% vs. current

Readington Township

Importance: 0.35

100 species

-23% vs. current

East Amwell Township

Importance: 0.35

100 species

-23% vs. current

Kingwood Township

Importance: 0.35

92 species

-16% vs. current

Raritan Township

Importance: 0.35

82 species

-6% vs. current

Tewksbury Township

Importance: 0.35

64 species

+20% 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 Hunterdon 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

-16%

vs. Regional Average

Compared to 8 nearby locations in Hunterdon County County, New Jersey

Nearby Natural Areas

Hunterdon County

Importance: 0.43

100 species

-23% vs. current

Lebanon Township

Importance: 0.35

100 species

-23% vs. current

Clinton Township

Importance: 0.35

100 species

-23% vs. current

Readington Township

Importance: 0.35

100 species

-23% vs. current

East Amwell Township

Importance: 0.35

100 species

-23% vs. current

Kingwood Township

Importance: 0.35

92 species

-16% vs. current

Raritan Township

Importance: 0.35

82 species

-6% vs. current

Tewksbury Township

Importance: 0.35

64 species

+20% 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

Regional Rank

Out of 24 locations

Species Distribution

Very Common16 species

Common23 species

Occasional23 species

Rare15 species

Regional Context

Regional Ranking

#8 of 24 locations

67th percentile for diversity

vs. Hunterdon County

-23% species diversity

Most Common Species

Showing 20 most frequently observed species out of 77 total documented species.

Larus delawarensis

Ring-billed Gull

Very Common5 obs.

Larus fuscus

lesser black-backed gull

Very Common4 obs.

Spinus tristis

American goldfinch

Very Common3 obs.

Tringa flavipes

lesser yellowlegs

Very Common3 obs.

Haemorhous purpureus

Purple/Cassin'S Finch

Very Common3 obs.

Larus glaucoides

iceland gull

Common3 obs.

Eremophila alpestris

horned lark

Common2 obs.

Chroicocephalus philadelphia

Bonaparte's Gull

Common2 obs.

Spinus pinus

Pine Siskin

Common2 obs.

Passerculus sandwichensis

Savannah Sparrow

Common2 obs.

Larus smithsonianus

American Herring Gull

Common2 obs.

Cottus cognatus

Anadyr Sculpin

Occasional2 obs.

Mergus serrator

Red-breasted Merganser

Occasional2 obs.

Mergus merganser

goosander

Occasional2 obs.

Poecile atricapillus

Black-capped chickadee

Occasional2 obs.

Perithemis tenera

Eastern Amberwing

Occasional1 obs.

Prenolepis imparis

Small Honey Ant

Occasional1 obs.

Disholcaspis quercusglobulus

Round Bullet Gall Wasp

Rare1 obs.

Endomychus biguttatus

Rare1 obs.

Polypsocus corruptus

Rare1 obs.

Want the Complete Field Guide?

Get all 77 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.