Aspen

Ecosystem Overview

The Aspen ecosystem supports 24 documented wildlife species across 24 taxonomic genera. Located in Pitkin County, Colorado, this area provides critical habitat with diverse natural communities. The location hosts 5 frequently observed species and 4 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Pitkin County nearby has 76% more documented species, Aspen offers unique wildlife observation opportunities. This location ranks #3 for species diversity among 7 Pitkin County County natural areas, placing it in the 57th 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 Common5 species

Common8 species

Occasional7 species

Rare4 species

Regional Context

Regional Ranking

#3 of 7 locations

57th percentile for diversity

vs. Pitkin County

-76% 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 24 total documented species.

Pandion haliaetus

osprey

Very Common2 obs.

Populus tremuloides

Aspen Poplar

Very Common2 obs.

Picea pungens

Colorado Blue-Spruce

Very Common2 obs.

Cinclus mexicanus

American Dipper

Very Common2 obs.

Libellula quadrimaculata

four spotted chaser

Very Common1 obs.

Ursus americanus

American Black Bear

Common1 obs.

Alces alces

Eich

Common1 obs.

Odocoileus hemionus

mule deer

Common1 obs.

Poecile atricapillus

Black-capped chickadee

Common1 obs.

Linum lewisii

wild blue flax

Common1 obs.

Ribes aureum

Buffalo Currant

Common1 obs.

Sidalcea candida

Prairie Mallow

Occasional1 obs.

Penstemon eatonii

firecracker penstemon

Occasional1 obs.

Pica hudsonia

Black-billed Magpie

Occasional1 obs.

Passer domesticus

House Sparrow

Occasional1 obs.

Coprinopsis atramentaria

Common Ink Cap

Occasional1 obs.

Trifolium repens

Dutch clover

Occasional1 obs.

Campanula petiolata

Rare1 obs.

Vespula alascensis

Rare1 obs.

Eremogone congesta

ballhead sandwort

Rare1 obs.

Want the Complete Field Guide?

Get all 24 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 Aspen. 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 Aspen. 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

Species Count

-14%

vs. Regional Average

Compared to 6 nearby locations in Pitkin County County, Colorado

Nearby Natural Areas

Pitkin County

Importance: 0.45

100 species

-76% vs. current

Maroon Lake

Importance: 0.35

9 species

+167% vs. current

Snowmass Lake

Importance: 0.35

1 species

+2300% vs. current

Crater Lake

Importance: 0.35

1 species

+2300% vs. current

Willow Lake

Importance: 0.35

1 species

+2300% vs. current

Snowmass Village

Importance: 0.28

56 species

-57% 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

‌

Regional Ranking

‌

Species Count

‌

vs. Regional Average

‌

Nearby Natural Areas

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

‌
‌

‌

About This Comparison

‌
‌
‌

Regional Comparison

Regional Ranking

Species Count

-14%

vs. Regional Average

Compared to 6 nearby locations in Pitkin County County, Colorado

Nearby Natural Areas

Pitkin County

Importance: 0.45

100 species

-76% vs. current

Maroon Lake

Importance: 0.35

9 species

+167% vs. current

Snowmass Lake

Importance: 0.35

1 species

+2300% vs. current

Crater Lake

Importance: 0.35

1 species

+2300% vs. current

Willow Lake

Importance: 0.35

1 species

+2300% vs. current

Snowmass Village

Importance: 0.28

56 species

-57% 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 Common5 species

Common8 species

Occasional7 species

Rare4 species

Regional Context

Regional Ranking

#3 of 7 locations

57th percentile for diversity

vs. Pitkin County

-76% species diversity

Most Common Species

Showing 20 most frequently observed species out of 24 total documented species.

Pandion haliaetus

osprey

Very Common2 obs.

Populus tremuloides

Aspen Poplar

Very Common2 obs.

Picea pungens

Colorado Blue-Spruce

Very Common2 obs.

Cinclus mexicanus

American Dipper

Very Common2 obs.

Libellula quadrimaculata

four spotted chaser

Very Common1 obs.

Ursus americanus

American Black Bear

Common1 obs.

Alces alces

Eich

Common1 obs.

Odocoileus hemionus

mule deer

Common1 obs.

Poecile atricapillus

Black-capped chickadee

Common1 obs.

Linum lewisii

wild blue flax

Common1 obs.

Ribes aureum

Buffalo Currant

Common1 obs.

Sidalcea candida

Prairie Mallow

Occasional1 obs.

Penstemon eatonii

firecracker penstemon

Occasional1 obs.

Pica hudsonia

Black-billed Magpie

Occasional1 obs.

Passer domesticus

House Sparrow

Occasional1 obs.

Coprinopsis atramentaria

Common Ink Cap

Occasional1 obs.

Trifolium repens

Dutch clover

Occasional1 obs.

Campanula petiolata

Rare1 obs.

Vespula alascensis

Rare1 obs.

Eremogone congesta

ballhead sandwort

Rare1 obs.

Want the Complete Field Guide?

Get all 24 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.