Polk County

Ecosystem Overview

The Polk County ecosystem supports 100 documented wildlife species across 84 taxonomic genera. Located in Polk County, Oregon, this area provides critical habitat with diverse natural communities. The location hosts 21 frequently observed species and 19 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. Compared to nearby Monmouth, Polk County hosts 733% more species diversity. This location ranks #1 for species diversity among 5 Polk County County natural areas, placing it in the 80th percentile for biodiversity.

Biodiversity Highlights

100

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 5 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 5 locations

80th percentile for diversity

vs. Monmouth

+733% 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 100 total documented species.

Branta hutchinsii

hutchins’s canada goose

Very Common33 obs.

Mareca strepera

Gadwall

Very Common29 obs.

Spatula clypeata

Northern Shoveler

Very Common27 obs.

Charadrius vociferus

Killdeer

Very Common23 obs.

Polypodium glycyrrhiza

licorice fern

Very Common22 obs.

Oemleria cerasiformis

Indian plum

Common20 obs.

Fulica americana

American Coot

Common20 obs.

Acer macrophyllum

Big-Leaf Maple

Common20 obs.

Bellis perennis

daisy

Common19 obs.

Geranium lucidum

Shining geranium

Common19 obs.

Bucephala albeola

Bufflehead

Common18 obs.

Anas platyrhynchos

mallard

Occasional18 obs.

Anas acuta

pintail, northern pintail

Occasional17 obs.

Haliaeetus leucocephalus

Bald Eagle

Occasional17 obs.

Polystichum munitum

western sword fern

Occasional16 obs.

Anas crecca

teal, common teal

Occasional15 obs.

Quercus garryana

Oregon White Oak

Occasional15 obs.

Turdus migratorius

American Robin

Rare14 obs.

Platismatia glauca

Rare14 obs.

Buteo jamaicensis

Red-tailed Hawk

Rare14 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 Polk County. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

100

Species Count

+426%

vs. Regional Average

Compared to 4 nearby locations in Polk County County, Oregon

Nearby Natural Areas

Monmouth

Importance: 0.39

12 species

+733% vs. current

Independence

Importance: 0.38

45 species

+122% vs. current

Dallas

Importance: 0.33

5 species

+1900% vs. current

Falls City

Importance: 0.27

15 species

+567% 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

100

Species Count

+426%

vs. Regional Average

Compared to 4 nearby locations in Polk County County, Oregon

Nearby Natural Areas

Monmouth

Importance: 0.39

12 species

+733% vs. current

Independence

Importance: 0.38

45 species

+122% vs. current

Dallas

Importance: 0.33

5 species

+1900% vs. current

Falls City

Importance: 0.27

15 species

+567% vs. current

About This Comparison

Ecosystem Overview

Biodiversity Highlights

100

Total Species

Documented wildlife species

Genus Diversity

Taxonomic genera represented

Common Species

Frequently observed species

Rare Species

Occasionally documented species

Regional Rank

Out of 5 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 5 locations

80th percentile for diversity

vs. Monmouth

+733% species diversity

Most Common Species

Showing 20 most frequently observed species out of 100 total documented species.

Branta hutchinsii

hutchins’s canada goose

Very Common33 obs.

Mareca strepera

Gadwall

Very Common29 obs.

Spatula clypeata

Northern Shoveler

Very Common27 obs.

Charadrius vociferus

Killdeer

Very Common23 obs.

Polypodium glycyrrhiza

licorice fern

Very Common22 obs.

Oemleria cerasiformis

Indian plum

Common20 obs.

Fulica americana

American Coot

Common20 obs.

Acer macrophyllum

Big-Leaf Maple

Common20 obs.

Bellis perennis

daisy

Common19 obs.

Geranium lucidum

Shining geranium

Common19 obs.

Bucephala albeola

Bufflehead

Common18 obs.

Anas platyrhynchos

mallard

Occasional18 obs.

Anas acuta

pintail, northern pintail

Occasional17 obs.

Haliaeetus leucocephalus

Bald Eagle

Occasional17 obs.

Polystichum munitum

western sword fern

Occasional16 obs.

Anas crecca

teal, common teal

Occasional15 obs.

Quercus garryana

Oregon White Oak

Occasional15 obs.

Turdus migratorius

American Robin

Rare14 obs.

Platismatia glauca

Rare14 obs.

Buteo jamaicensis

Red-tailed Hawk

Rare14 obs.

Want the Complete Field Guide?

Get all 100 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.