Arcata

Ecosystem Overview

The Arcata ecosystem supports 100 documented wildlife species across 91 taxonomic genera. Located in Humboldt County, California, 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. This location ranks #2 for species diversity among 25 Humboldt County County natural areas, placing it in the 92th 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 25 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#2 of 25 locations

92th percentile for diversity

vs. Humboldt County

0% 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.

Ensatina eschscholtzii

Ensatina

Very Common36 obs.

Melospiza melodia

Song Sparrow

Very Common35 obs.

Gliophorus psittacinus

Parrot Mushroom

Very Common30 obs.

Anas crecca

teal, common teal

Very Common25 obs.

Mareca strepera

Gadwall

Very Common19 obs.

Nycticorax nycticorax

night heron, black-crowned night heron

Common18 obs.

Ardea alba

Great Egret

Common17 obs.

Batrachoseps attenuatus

California Slender Salamander

Common17 obs.

Anas platyrhynchos

mallard

Common17 obs.

Ariolimax columbianus

Pacific banana slug

Common16 obs.

Branta canadensis

Canada goose

Common16 obs.

Bucephala albeola

Bufflehead

Occasional15 obs.

Ardea herodias

Great Blue Heron

Occasional14 obs.

Pseudacris regilla

Pacific chorus frog

Occasional14 obs.

Cistothorus palustris

Marsh Wren

Occasional13 obs.

Recurvirostra americana

American avocet

Occasional13 obs.

Spatula clypeata

Northern Shoveler

Occasional12 obs.

Sequoia sempervirens

coast redwood

Rare12 obs.

Aythya marila

greater scaup

Rare12 obs.

Podilymbus podiceps

Pied-billed grebe

Rare12 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 Arcata. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+163%

vs. Regional Average

Compared to 8 nearby locations in Humboldt County County, California

Nearby Natural Areas

Humboldt County

Importance: 0.47

100 species

0% vs. current

Fortuna

Importance: 0.43

16 species

+525% vs. current

McKinleyville

Importance: 0.37

100 species

0% vs. current

Myrtletown

Importance: 0.36

27 species

+270% vs. current

Hydesville

Importance: 0.36

1 species

+9900% vs. current

Redway

Importance: 0.36

13 species

+669% vs. current

Klopp Lake

Importance: 0.35

33 species

+203% vs. current

Brackish Pond

Importance: 0.35

12 species

+733% 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 Humboldt 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

+163%

vs. Regional Average

Compared to 8 nearby locations in Humboldt County County, California

Nearby Natural Areas

Humboldt County

Importance: 0.47

100 species

0% vs. current

Fortuna

Importance: 0.43

16 species

+525% vs. current

McKinleyville

Importance: 0.37

100 species

0% vs. current

Myrtletown

Importance: 0.36

27 species

+270% vs. current

Hydesville

Importance: 0.36

1 species

+9900% vs. current

Redway

Importance: 0.36

13 species

+669% vs. current

Klopp Lake

Importance: 0.35

33 species

+203% vs. current

Brackish Pond

Importance: 0.35

12 species

+733% 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 25 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#2 of 25 locations

92th percentile for diversity

vs. Humboldt County

0% species diversity

Most Common Species

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

Ensatina eschscholtzii

Ensatina

Very Common36 obs.

Melospiza melodia

Song Sparrow

Very Common35 obs.

Gliophorus psittacinus

Parrot Mushroom

Very Common30 obs.

Anas crecca

teal, common teal

Very Common25 obs.

Mareca strepera

Gadwall

Very Common19 obs.

Nycticorax nycticorax

night heron, black-crowned night heron

Common18 obs.

Ardea alba

Great Egret

Common17 obs.

Batrachoseps attenuatus

California Slender Salamander

Common17 obs.

Anas platyrhynchos

mallard

Common17 obs.

Ariolimax columbianus

Pacific banana slug

Common16 obs.

Branta canadensis

Canada goose

Common16 obs.

Bucephala albeola

Bufflehead

Occasional15 obs.

Ardea herodias

Great Blue Heron

Occasional14 obs.

Pseudacris regilla

Pacific chorus frog

Occasional14 obs.

Cistothorus palustris

Marsh Wren

Occasional13 obs.

Recurvirostra americana

American avocet

Occasional13 obs.

Spatula clypeata

Northern Shoveler

Occasional12 obs.

Sequoia sempervirens

coast redwood

Rare12 obs.

Aythya marila

greater scaup

Rare12 obs.

Podilymbus podiceps

Pied-billed grebe

Rare12 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.