Pitkin County

Ecosystem Overview

The Pitkin County ecosystem supports 100 documented wildlife species across 89 taxonomic genera. Located in Pitkin County, Colorado, 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 Aspen, Pitkin County hosts 317% more species diversity. This location ranks #1 for species diversity among 7 Pitkin County County natural areas, placing it in the 86th 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 7 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 7 locations

86th percentile for diversity

vs. Aspen

+317% 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.

Verbascum thapsus

Aaron'S-Rod

Very Common20 obs.

Heracleum maximum

American Cow Parsnip

Very Common20 obs.

Geum rossii

alpine avens

Very Common19 obs.

Geranium richardsonii

Richardson's geranium

Very Common18 obs.

Senecio atratus

Very Common18 obs.

Aquilegia coerulea

Rocky Mountain columbine

Common17 obs.

Populus tremuloides

Aspen Poplar

Common14 obs.

Arnica cordifolia

heart-leaved arnica

Common14 obs.

Heliomeris multiflora

showy goldeneye

Common14 obs.

Paxistima myrsinites

goatbrush

Common13 obs.

Agropyron cristatum

Crested wheatgrass

Common12 obs.

Mertensia ciliata

tall fringed bluebells

Occasional12 obs.

Cryptogramma acrostichoides

Occasional11 obs.

Achillea millefolium

yarrow, milfoil

Occasional11 obs.

Lonicera involucrata

Californian Honeysuckle

Occasional11 obs.

Senecio triangularis

brook ragwort

Occasional11 obs.

Chamaenerion angustifolium

French-Willow

Occasional11 obs.

Cardamine cordifolia

heart-leaf bittercress

Rare10 obs.

Sambucus racemosa

red-berried elder

Rare10 obs.

Bromus inermis

Smooth brome

Rare10 obs.

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Most Common Species

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Want the Complete Field Guide?

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Get Your Personalized Field Guide

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

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+567%

vs. Regional Average

Compared to 6 nearby locations in Pitkin County County, Colorado

Nearby Natural Areas

Aspen

Importance: 0.53

24 species

+317% vs. current

Maroon Lake

Importance: 0.35

9 species

+1011% vs. current

Snowmass Lake

Importance: 0.35

1 species

+9900% vs. current

Crater Lake

Importance: 0.35

1 species

+9900% vs. current

Willow Lake

Importance: 0.35

1 species

+9900% vs. current

Snowmass Village

Importance: 0.28

56 species

+79% 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 Pitkin 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

+567%

vs. Regional Average

Compared to 6 nearby locations in Pitkin County County, Colorado

Nearby Natural Areas

Aspen

Importance: 0.53

24 species

+317% vs. current

Maroon Lake

Importance: 0.35

9 species

+1011% vs. current

Snowmass Lake

Importance: 0.35

1 species

+9900% vs. current

Crater Lake

Importance: 0.35

1 species

+9900% vs. current

Willow Lake

Importance: 0.35

1 species

+9900% vs. current

Snowmass Village

Importance: 0.28

56 species

+79% 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 7 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 7 locations

86th percentile for diversity

vs. Aspen

+317% species diversity

Most Common Species

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

Verbascum thapsus

Aaron'S-Rod

Very Common20 obs.

Heracleum maximum

American Cow Parsnip

Very Common20 obs.

Geum rossii

alpine avens

Very Common19 obs.

Geranium richardsonii

Richardson's geranium

Very Common18 obs.

Senecio atratus

Very Common18 obs.

Aquilegia coerulea

Rocky Mountain columbine

Common17 obs.

Populus tremuloides

Aspen Poplar

Common14 obs.

Arnica cordifolia

heart-leaved arnica

Common14 obs.

Heliomeris multiflora

showy goldeneye

Common14 obs.

Paxistima myrsinites

goatbrush

Common13 obs.

Agropyron cristatum

Crested wheatgrass

Common12 obs.

Mertensia ciliata

tall fringed bluebells

Occasional12 obs.

Cryptogramma acrostichoides

Occasional11 obs.

Achillea millefolium

yarrow, milfoil

Occasional11 obs.

Lonicera involucrata

Californian Honeysuckle

Occasional11 obs.

Senecio triangularis

brook ragwort

Occasional11 obs.

Chamaenerion angustifolium

French-Willow

Occasional11 obs.

Cardamine cordifolia

heart-leaf bittercress

Rare10 obs.

Sambucus racemosa

red-berried elder

Rare10 obs.

Bromus inermis

Smooth brome

Rare10 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.