Crescent City

Ecosystem Overview

The Crescent City ecosystem supports 100 documented wildlife species across 91 taxonomic genera. Located in Del Norte 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 #1 for species diversity among 6 Del Norte County County natural areas, placing it in the 83th 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 6 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 6 locations

83th percentile for diversity

vs. Del Norte 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.

Pisaster ochraceus

ochre stars

Very Common13 obs.

Tegula funebralis

black tegula

Very Common7 obs.

Pagurus samuelis

Very Common5 obs.

Hemigrapsus nudus

purple shore crab

Very Common5 obs.

Larus occidentalis

Western Gull

Very Common5 obs.

Dermasterias imbricata

Common5 obs.

Anthopleura xanthogrammica

giant green sea anemone

Common4 obs.

Pachygrapsus crassipes

striped shore crab

Common4 obs.

Plantago lanceolata

ribwort plantain

Common4 obs.

Pelecanus occidentalis

Brown Pelican (Southern)

Common3 obs.

Carpobrotus edulis

Hottentot fig

Common3 obs.

Haematopus bachmani

Black Oystercatcher

Occasional3 obs.

Anthopleura elegantissima

aggregating anemone

Occasional3 obs.

Fragaria chiloensis

beach strawberry

Occasional3 obs.

Oligocottus maculosus

Tidepool sculpin

Occasional3 obs.

Petrochelidon pyrrhonota

Cliff Swallow

Occasional2 obs.

Euphagus cyanocephalus

Brewer's blackbird

Occasional2 obs.

Uria aalge

atlantic murre

Rare2 obs.

Diaulula sandiegensis

Rare2 obs.

Pagurus hirsutiusculus

Rare2 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 Crescent City. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

100

Species Count

+163%

vs. Regional Average

Compared to 5 nearby locations in Del Norte County County, California

Nearby Natural Areas

Del Norte County

Importance: 0.44

100 species

0% vs. current

Quarry Pond

Importance: 0.35

4 species

+2400% vs. current

Lagoon Pond

Importance: 0.35

3 species

+3233% vs. current

False Klamath Rock

Importance: 0.33

1 species

+9900% vs. current

Bertsch-oceanview

Importance: 0.28

83 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 Del Norte 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 5 nearby locations in Del Norte County County, California

Nearby Natural Areas

Del Norte County

Importance: 0.44

100 species

0% vs. current

Quarry Pond

Importance: 0.35

4 species

+2400% vs. current

Lagoon Pond

Importance: 0.35

3 species

+3233% vs. current

False Klamath Rock

Importance: 0.33

1 species

+9900% vs. current

Bertsch-oceanview

Importance: 0.28

83 species

+20% 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 6 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 6 locations

83th percentile for diversity

vs. Del Norte County

0% species diversity

Most Common Species

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

Pisaster ochraceus

ochre stars

Very Common13 obs.

Tegula funebralis

black tegula

Very Common7 obs.

Pagurus samuelis

Very Common5 obs.

Hemigrapsus nudus

purple shore crab

Very Common5 obs.

Larus occidentalis

Western Gull

Very Common5 obs.

Dermasterias imbricata

Common5 obs.

Anthopleura xanthogrammica

giant green sea anemone

Common4 obs.

Pachygrapsus crassipes

striped shore crab

Common4 obs.

Plantago lanceolata

ribwort plantain

Common4 obs.

Pelecanus occidentalis

Brown Pelican (Southern)

Common3 obs.

Carpobrotus edulis

Hottentot fig

Common3 obs.

Haematopus bachmani

Black Oystercatcher

Occasional3 obs.

Anthopleura elegantissima

aggregating anemone

Occasional3 obs.

Fragaria chiloensis

beach strawberry

Occasional3 obs.

Oligocottus maculosus

Tidepool sculpin

Occasional3 obs.

Petrochelidon pyrrhonota

Cliff Swallow

Occasional2 obs.

Euphagus cyanocephalus

Brewer's blackbird

Occasional2 obs.

Uria aalge

atlantic murre

Rare2 obs.

Diaulula sandiegensis

Rare2 obs.

Pagurus hirsutiusculus

Rare2 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.