Castle Rock

Ecosystem Overview

The Castle Rock ecosystem supports 76 documented wildlife species across 68 taxonomic genera. Located in Douglas County, Colorado, this area provides critical habitat with diverse natural communities. The location hosts 16 frequently observed species and 15 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Douglas County nearby has 24% more documented species, Castle Rock offers unique wildlife observation opportunities. This location ranks #2 for species diversity among 7 Douglas County County natural areas, placing it in the 71th 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 7 locations

Species Distribution

Very Common16 species

Common23 species

Occasional22 species

Rare15 species

Regional Context

Regional Ranking

#2 of 7 locations

71th percentile for diversity

vs. Douglas County

-24% 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 76 total documented species.

Quercus gambelii

Gambel Oak

Very Common32 obs.

Cercocarpus montanus

mountain-mahogany

Very Common22 obs.

Penstemon virens

Very Common12 obs.

Gilia clokeyi

Very Common8 obs.

Habronattus clypeatus

Very Common6 obs.

Penstemon secundiflorus

Common6 obs.

Malacosoma californica

Common6 obs.

Selasphorus platycercus

Broad-tailed Hummingbird

Common6 obs.

Senecio integerrimus

gaugeplant

Common5 obs.

Tachycineta thalassina

Violet-green Swallow

Common5 obs.

Pheucticus melanocephalus

Black-headed Grosbeak

Common5 obs.

Rubus deliciosus

Rocky Mountain Raspberry

Occasional5 obs.

Tradescantia occidentalis

western spiderwort

Occasional5 obs.

Geum triflorum

Purple Avens

Occasional5 obs.

Allium textile

textile onion

Occasional4 obs.

Euphorbia virgata

leafy spurge

Occasional4 obs.

Rhus trilobata

Occasional4 obs.

Delphinium nuttallianum

Rare4 obs.

Sceloporus consobrinus

Southern Prairie Lizard

Rare4 obs.

Maianthemum stellatum

Starry False Lily Of The Valley

Rare3 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 Castle Rock. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

Species Count

+245%

vs. Regional Average

Compared to 6 nearby locations in Douglas County County, Colorado

Nearby Natural Areas

Douglas County

Importance: 0.45

100 species

-24% vs. current

Parker

Importance: 0.35

5 species

+1420% vs. current

Lone Tree

Importance: 0.30

13 species

+485% vs. current

Meridian

Importance: 0.27

7 species

+986% vs. current

Acres Green

Importance: 0.26

1 species

+7500% vs. current

Perry Park

Importance: 0.26

5 species

+1420% 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 Douglas 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

+245%

vs. Regional Average

Compared to 6 nearby locations in Douglas County County, Colorado

Nearby Natural Areas

Douglas County

Importance: 0.45

100 species

-24% vs. current

Parker

Importance: 0.35

5 species

+1420% vs. current

Lone Tree

Importance: 0.30

13 species

+485% vs. current

Meridian

Importance: 0.27

7 species

+986% vs. current

Acres Green

Importance: 0.26

1 species

+7500% vs. current

Perry Park

Importance: 0.26

5 species

+1420% 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 7 locations

Species Distribution

Very Common16 species

Common23 species

Occasional22 species

Rare15 species

Regional Context

Regional Ranking

#2 of 7 locations

71th percentile for diversity

vs. Douglas County

-24% species diversity

Most Common Species

Showing 20 most frequently observed species out of 76 total documented species.

Quercus gambelii

Gambel Oak

Very Common32 obs.

Cercocarpus montanus

mountain-mahogany

Very Common22 obs.

Penstemon virens

Very Common12 obs.

Gilia clokeyi

Very Common8 obs.

Habronattus clypeatus

Very Common6 obs.

Penstemon secundiflorus

Common6 obs.

Malacosoma californica

Common6 obs.

Selasphorus platycercus

Broad-tailed Hummingbird

Common6 obs.

Senecio integerrimus

gaugeplant

Common5 obs.

Tachycineta thalassina

Violet-green Swallow

Common5 obs.

Pheucticus melanocephalus

Black-headed Grosbeak

Common5 obs.

Rubus deliciosus

Rocky Mountain Raspberry

Occasional5 obs.

Tradescantia occidentalis

western spiderwort

Occasional5 obs.

Geum triflorum

Purple Avens

Occasional5 obs.

Allium textile

textile onion

Occasional4 obs.

Euphorbia virgata

leafy spurge

Occasional4 obs.

Rhus trilobata

Occasional4 obs.

Delphinium nuttallianum

Rare4 obs.

Sceloporus consobrinus

Southern Prairie Lizard

Rare4 obs.

Maianthemum stellatum

Starry False Lily Of The Valley

Rare3 obs.

Want the Complete Field Guide?

Get all 76 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.