Clatsop County

Ecosystem Overview

The Clatsop County ecosystem supports 100 documented wildlife species across 89 taxonomic genera. Located in Clatsop 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 Astoria, Clatsop County hosts 10% more species diversity. This location ranks #3 for species diversity among 20 Clatsop County County natural areas, placing it in the 85th 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 20 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#3 of 20 locations

85th percentile for diversity

vs. Astoria

+10% species diversity

Ecosystem Overview

‌
‌
‌
‌

Biodiversity Highlights

‌

Species Distribution

Very Common‌

Common‌

Occasional‌

Rare‌

Regional Context

Regional Ranking

‌

Most Common Species

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

Pisaster ochraceus

ochre stars

Very Common82 obs.

Mytilus californianus

common mussel

Very Common42 obs.

Haliaeetus leucocephalus

Bald Eagle

Very Common41 obs.

Loxia curvirostra

common crossbill

Very Common38 obs.

Calidris alba

sanderling

Very Common32 obs.

Selasphorus rufus

Rufous/Allen'S Hummingbird

Common30 obs.

Ariolimax columbianus

Pacific banana slug

Common27 obs.

Ardea herodias

Great Blue Heron

Common27 obs.

Larus occidentalis

Western Gull

Common24 obs.

Piranga ludoviciana

western tanager

Common24 obs.

Pollicipes polymerus

Common22 obs.

Picea sitchensis

Sitka Spruce

Occasional22 obs.

Semibalanus cariosus

Occasional22 obs.

Metacarcinus magister

Dungeness rock crab

Occasional21 obs.

Maianthemum dilatatum

deerberry

Occasional20 obs.

Katharina tunicata

Occasional20 obs.

Anthopleura xanthogrammica

giant green sea anemone

Occasional19 obs.

Endocladia muricata

Rare19 obs.

Dendraster excentricus

eccentric sand dollar sea urchin

Rare18 obs.

Emerita analoga

Rare18 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.

Most Common Species

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

Want the Complete Field Guide?

‌
‌

‌

Get Your Personalized Field Guide

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

$6.99

Get Your Personalized Field Guide

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

Email Address (for delivery)

Your field guide will be delivered to this email address. Please double-check for accuracy.

$6.99

Regional Comparison

Regional Ranking

100

Species Count

+567%

vs. Regional Average

Compared to 8 nearby locations in Clatsop County County, Oregon

Nearby Natural Areas

Astoria

Importance: 0.46

91 species

+10% vs. current

Coffenbury Lake

Importance: 0.35

6 species

+1567% vs. current

Cullaby Lake

Importance: 0.35

5 species

+1900% vs. current

Sunset Lake

Importance: 0.35

5 species

+1900% vs. current

Lost Lake

Importance: 0.35

4 species

+2400% vs. current

Wild Ace Lake

Importance: 0.35

3 species

+3233% vs. current

Shag Lake

Importance: 0.35

3 species

+3233% vs. current

Long Lake

Importance: 0.35

2 species

+4900% 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 Clatsop County County.

Regional Comparison

‌

Regional Ranking

‌

Species Count

‌

vs. Regional Average

‌

Nearby Natural Areas

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

About This Comparison

‌
‌
‌

Regional Comparison

Regional Ranking

100

Species Count

+567%

vs. Regional Average

Compared to 8 nearby locations in Clatsop County County, Oregon

Nearby Natural Areas

Astoria

Importance: 0.46

91 species

+10% vs. current

Coffenbury Lake

Importance: 0.35

6 species

+1567% vs. current

Cullaby Lake

Importance: 0.35

5 species

+1900% vs. current

Sunset Lake

Importance: 0.35

5 species

+1900% vs. current

Lost Lake

Importance: 0.35

4 species

+2400% vs. current

Wild Ace Lake

Importance: 0.35

3 species

+3233% vs. current

Shag Lake

Importance: 0.35

3 species

+3233% vs. current

Long Lake

Importance: 0.35

2 species

+4900% 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 20 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#3 of 20 locations

85th percentile for diversity

vs. Astoria

+10% species diversity

Most Common Species

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

Pisaster ochraceus

ochre stars

Very Common82 obs.

Mytilus californianus

common mussel

Very Common42 obs.

Haliaeetus leucocephalus

Bald Eagle

Very Common41 obs.

Loxia curvirostra

common crossbill

Very Common38 obs.

Calidris alba

sanderling

Very Common32 obs.

Selasphorus rufus

Rufous/Allen'S Hummingbird

Common30 obs.

Ariolimax columbianus

Pacific banana slug

Common27 obs.

Ardea herodias

Great Blue Heron

Common27 obs.

Larus occidentalis

Western Gull

Common24 obs.

Piranga ludoviciana

western tanager

Common24 obs.

Pollicipes polymerus

Common22 obs.

Picea sitchensis

Sitka Spruce

Occasional22 obs.

Semibalanus cariosus

Occasional22 obs.

Metacarcinus magister

Dungeness rock crab

Occasional21 obs.

Maianthemum dilatatum

deerberry

Occasional20 obs.

Katharina tunicata

Occasional20 obs.

Anthopleura xanthogrammica

giant green sea anemone

Occasional19 obs.

Endocladia muricata

Rare19 obs.

Dendraster excentricus

eccentric sand dollar sea urchin

Rare18 obs.

Emerita analoga

Rare18 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.