Johnston

Ecosystem Overview

The Johnston ecosystem supports 8 documented wildlife species across 8 taxonomic genera. Located in Polk County, Iowa, this area provides critical habitat with diverse natural communities. The location hosts 2 frequently observed species and 1 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Ankeny nearby has 77% more documented species, Johnston offers unique wildlife observation opportunities. This location ranks #4 for species diversity among 13 Polk County County natural areas, placing it in the 69th 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 13 locations

Species Distribution

Very Common2 species

Common3 species

Occasional2 species

Rare1 species

Regional Context

Regional Ranking

#4 of 13 locations

69th percentile for diversity

vs. Ankeny

-77% 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 8 total documented species.

Haliaeetus leucocephalus

Bald Eagle

Very Common3 obs.

Pelecanus erythrorhynchos

American White Pelican

Very Common2 obs.

Bucephala clangula

common goldeneye

Very Common1 obs.

Cygnus buccinator

trumpeter swan

Very Common1 obs.

Acer negundo

ash-leaved maple, box-elder

Very Common1 obs.

Coccinella septempunctata

7-spot ladybird

Common1 obs.

Branta canadensis

Canada goose

Common1 obs.

Mergus merganser

goosander

Common1 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 Johnston. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

Species Count

-58%

vs. Regional Average

Compared to 8 nearby locations in Polk County County, Iowa

Nearby Natural Areas

Ankeny

Importance: 0.43

35 species

-77% vs. current

Polk County

Importance: 0.40

100 species

-92% vs. current

Lake Future

Importance: 0.35

6 species

+33% vs. current

Gray's Lake

Importance: 0.35

3 species

+167% vs. current

Blue Heron Lake

Importance: 0.35

2 species

+300% vs. current

Easter Lake

Importance: 0.35

2 species

+300% vs. current

Two-dam Pond

Importance: 0.35

2 species

+300% vs. current

Copper Creek Lake

Importance: 0.35

1 species

+700% 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 Polk 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

-58%

vs. Regional Average

Compared to 8 nearby locations in Polk County County, Iowa

Nearby Natural Areas

Ankeny

Importance: 0.43

35 species

-77% vs. current

Polk County

Importance: 0.40

100 species

-92% vs. current

Lake Future

Importance: 0.35

6 species

+33% vs. current

Gray's Lake

Importance: 0.35

3 species

+167% vs. current

Blue Heron Lake

Importance: 0.35

2 species

+300% vs. current

Easter Lake

Importance: 0.35

2 species

+300% vs. current

Two-dam Pond

Importance: 0.35

2 species

+300% vs. current

Copper Creek Lake

Importance: 0.35

1 species

+700% 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 13 locations

Species Distribution

Very Common2 species

Common3 species

Occasional2 species

Rare1 species

Regional Context

Regional Ranking

#4 of 13 locations

69th percentile for diversity

vs. Ankeny

-77% species diversity

Most Common Species

Showing 20 most frequently observed species out of 8 total documented species.

Haliaeetus leucocephalus

Bald Eagle

Very Common3 obs.

Pelecanus erythrorhynchos

American White Pelican

Very Common2 obs.

Bucephala clangula

common goldeneye

Very Common1 obs.

Cygnus buccinator

trumpeter swan

Very Common1 obs.

Acer negundo

ash-leaved maple, box-elder

Very Common1 obs.

Coccinella septempunctata

7-spot ladybird

Common1 obs.

Branta canadensis

Canada goose

Common1 obs.

Mergus merganser

goosander

Common1 obs.

Want the Complete Field Guide?

Get all 8 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.