Arapahoe County

Ecosystem Overview

The Arapahoe County ecosystem supports 100 documented wildlife species across 93 taxonomic genera. Located in Arapahoe 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 Englewood, Arapahoe County hosts 400% more species diversity. This location ranks #1 for species diversity among 12 Arapahoe 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 12 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 12 locations

92th percentile for diversity

vs. Englewood

+400% 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.

Anas platyrhynchos

mallard

Very Common31 obs.

Verbascum thapsus

Aaron'S-Rod

Very Common21 obs.

Elaeagnus angustifolia

Russian olive

Very Common18 obs.

Pica hudsonia

Black-billed Magpie

Very Common14 obs.

Antilocapra americana

pronghorn

Very Common14 obs.

Cynomys ludovicianus

Black-tailed Prairie Dog

Common14 obs.

Opuntia polyacantha

Plains Pricklypear

Common13 obs.

Turdus migratorius

American Robin

Common13 obs.

Spatula clypeata

Northern Shoveler

Common12 obs.

Branta canadensis

Canada goose

Common12 obs.

Apis mellifera

Western Honey Bee

Common11 obs.

Colaptes auratus

common flicker

Occasional11 obs.

Sciurus niger

Cat Squirrel

Occasional10 obs.

Asclepias speciosa

showy milkweed

Occasional10 obs.

Haemorhous mexicanus

House Finch

Occasional10 obs.

Glycyrrhiza lepidota

licorice

Occasional10 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Occasional10 obs.

Erodium cicutarium

Common Stork'S-Bill

Rare9 obs.

Malachius aeneus

Scarlet malachite beetle

Rare8 obs.

Buteo jamaicensis

Red-tailed Hawk

Rare7 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 Arapahoe County. Perfect for outdoor adventures, education, and nature exploration.

$6.99

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Regional Comparison

Regional Ranking

100

Species Count

+809%

vs. Regional Average

Compared to 8 nearby locations in Arapahoe County County, Colorado

Nearby Natural Areas

Englewood

Importance: 0.46

20 species

+400% vs. current

Greenwood Village

Importance: 0.46

51 species

+96% vs. current

Aurora Reservoir

Importance: 0.35

3 species

+3233% vs. current

Centennial Pond

Importance: 0.35

3 species

+3233% vs. current

Ketring Lake

Importance: 0.35

1 species

+9900% vs. current

Quincy Reservoir

Importance: 0.35

1 species

+9900% vs. current

Centennial Oxbow

Importance: 0.35

1 species

+9900% vs. current

Glendale

Importance: 0.31

6 species

+1567% 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 Arapahoe 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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Regional Comparison

Regional Ranking

100

Species Count

+809%

vs. Regional Average

Compared to 8 nearby locations in Arapahoe County County, Colorado

Nearby Natural Areas

Englewood

Importance: 0.46

20 species

+400% vs. current

Greenwood Village

Importance: 0.46

51 species

+96% vs. current

Aurora Reservoir

Importance: 0.35

3 species

+3233% vs. current

Centennial Pond

Importance: 0.35

3 species

+3233% vs. current

Ketring Lake

Importance: 0.35

1 species

+9900% vs. current

Quincy Reservoir

Importance: 0.35

1 species

+9900% vs. current

Centennial Oxbow

Importance: 0.35

1 species

+9900% vs. current

Glendale

Importance: 0.31

6 species

+1567% 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 12 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#1 of 12 locations

92th percentile for diversity

vs. Englewood

+400% species diversity

Most Common Species

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

Anas platyrhynchos

mallard

Very Common31 obs.

Verbascum thapsus

Aaron'S-Rod

Very Common21 obs.

Elaeagnus angustifolia

Russian olive

Very Common18 obs.

Pica hudsonia

Black-billed Magpie

Very Common14 obs.

Antilocapra americana

pronghorn

Very Common14 obs.

Cynomys ludovicianus

Black-tailed Prairie Dog

Common14 obs.

Opuntia polyacantha

Plains Pricklypear

Common13 obs.

Turdus migratorius

American Robin

Common13 obs.

Spatula clypeata

Northern Shoveler

Common12 obs.

Branta canadensis

Canada goose

Common12 obs.

Apis mellifera

Western Honey Bee

Common11 obs.

Colaptes auratus

common flicker

Occasional11 obs.

Sciurus niger

Cat Squirrel

Occasional10 obs.

Asclepias speciosa

showy milkweed

Occasional10 obs.

Haemorhous mexicanus

House Finch

Occasional10 obs.

Glycyrrhiza lepidota

licorice

Occasional10 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Occasional10 obs.

Erodium cicutarium

Common Stork'S-Bill

Rare9 obs.

Malachius aeneus

Scarlet malachite beetle

Rare8 obs.

Buteo jamaicensis

Red-tailed Hawk

Rare7 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.