Weld County

Ecosystem Overview

The Weld County ecosystem supports 100 documented wildlife species across 86 taxonomic genera. Located in Weld 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 Greeley, Weld County hosts 59% more species diversity. This location ranks #2 for species diversity among 22 Weld County County natural areas, placing it in the 91th 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 22 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#2 of 22 locations

91th percentile for diversity

vs. Greeley

+59% 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.

Sturnella neglecta

Western Meadowlark

Very Common4,065 obs.

Calamospiza melanocorys

Lark Bunting

Very Common3,178 obs.

Eremophila alpestris

horned lark

Very Common1,744 obs.

Spizella breweri

Brewer's Sparrow

Very Common1,029 obs.

Ammodramus savannarum

Grasshopper sparrow

Very Common546 obs.

Zenaida macroura

Mourning Dove

Common457 obs.

Peucaea cassinii

Cassin's Sparrow

Common286 obs.

Tyrannus verticalis

Western Kingbird

Common116 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Common84 obs.

Molothrus ater

Brown-headed Cowbird

Common80 obs.

Petrochelidon pyrrhonota

Cliff Swallow

Common75 obs.

Chordeiles minor

common nighthawk

Occasional71 obs.

Charadrius vociferus

Killdeer

Occasional69 obs.

Hirundo rustica

barn swallow

Occasional63 obs.

Rhynchophanes mccownii

Thick-billed Longspur

Occasional54 obs.

Chondestes grammacus

Lark Sparrow

Occasional35 obs.

Buteo swainsoni

Swainson's hawk

Occasional32 obs.

Eremogone hookeri

Hooker's sandwort

Rare27 obs.

Rayjacksonia annua

viscid camphor daisy

Rare25 obs.

Sayornis saya

Say's phoebe

Rare24 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 Weld County. Perfect for outdoor adventures, education, and nature exploration.

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Regional Comparison

Regional Ranking

100

Species Count

+733%

vs. Regional Average

Compared to 8 nearby locations in Weld County County, Colorado

Nearby Natural Areas

Greeley

Importance: 0.47

63 species

+59% vs. current

Evans

Importance: 0.44

2 species

+4900% vs. current

Windsor Lake

Importance: 0.35

13 species

+669% vs. current

Blue Heron Reservoir

Importance: 0.35

9 species

+1011% vs. current

Milavec Lake

Importance: 0.35

7 species

+1329% vs. current

Glenmere Lake

Importance: 0.35

2 species

+4900% vs. current

Mallard Pond

Importance: 0.35

1 species

+9900% vs. current

Pelican Pond

Importance: 0.35

1 species

+9900% 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 Weld 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

+733%

vs. Regional Average

Compared to 8 nearby locations in Weld County County, Colorado

Nearby Natural Areas

Greeley

Importance: 0.47

63 species

+59% vs. current

Evans

Importance: 0.44

2 species

+4900% vs. current

Windsor Lake

Importance: 0.35

13 species

+669% vs. current

Blue Heron Reservoir

Importance: 0.35

9 species

+1011% vs. current

Milavec Lake

Importance: 0.35

7 species

+1329% vs. current

Glenmere Lake

Importance: 0.35

2 species

+4900% vs. current

Mallard Pond

Importance: 0.35

1 species

+9900% vs. current

Pelican Pond

Importance: 0.35

1 species

+9900% 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 22 locations

Species Distribution

Very Common21 species

Common30 species

Occasional30 species

Rare19 species

Regional Context

Regional Ranking

#2 of 22 locations

91th percentile for diversity

vs. Greeley

+59% species diversity

Most Common Species

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

Sturnella neglecta

Western Meadowlark

Very Common4,065 obs.

Calamospiza melanocorys

Lark Bunting

Very Common3,178 obs.

Eremophila alpestris

horned lark

Very Common1,744 obs.

Spizella breweri

Brewer's Sparrow

Very Common1,029 obs.

Ammodramus savannarum

Grasshopper sparrow

Very Common546 obs.

Zenaida macroura

Mourning Dove

Common457 obs.

Peucaea cassinii

Cassin's Sparrow

Common286 obs.

Tyrannus verticalis

Western Kingbird

Common116 obs.

Agelaius phoeniceus

Red-Winged Blackbird (Red-Winged)

Common84 obs.

Molothrus ater

Brown-headed Cowbird

Common80 obs.

Petrochelidon pyrrhonota

Cliff Swallow

Common75 obs.

Chordeiles minor

common nighthawk

Occasional71 obs.

Charadrius vociferus

Killdeer

Occasional69 obs.

Hirundo rustica

barn swallow

Occasional63 obs.

Rhynchophanes mccownii

Thick-billed Longspur

Occasional54 obs.

Chondestes grammacus

Lark Sparrow

Occasional35 obs.

Buteo swainsoni

Swainson's hawk

Occasional32 obs.

Eremogone hookeri

Hooker's sandwort

Rare27 obs.

Rayjacksonia annua

viscid camphor daisy

Rare25 obs.

Sayornis saya

Say's phoebe

Rare24 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.