John Day River

Ecosystem Overview

The John Day River ecosystem supports 64 documented wildlife species across 54 taxonomic genera. Located in Sherman County, Oregon, this area provides critical habitat with diverse natural communities. The location hosts 13 frequently observed species and 12 occasionally documented species, creating a balanced ecosystem with both resident and visiting wildlife. While Deschutes River nearby has 20% more documented species, John Day River offers unique wildlife observation opportunities. This location ranks #32 for species diversity among 100 Sherman County County natural areas, placing it in the 68th 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

#32

Regional Rank

Out of 100 locations

Species Distribution

Very Common13 species

Common20 species

Occasional19 species

Rare12 species

Regional Context

Regional Ranking

#32 of 100 locations

68th percentile for diversity

vs. Deschutes River

-20% 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 64 total documented species.

Oncorhynchus tshawytscha

Chinook

Very Common488.51 obs.

Celtis reticulata

Netleaf Hackberry

Very Common2.96 obs.

Astragalus purshii

Very Common2.22 obs.

Eriophyllum lanatum

Woolly Eriophyllum

Very Common1.97 obs.

Pituophis catenifer

Bullsnake

Very Common1.96 obs.

Sceloporus occidentalis

Western Fence Lizard

Common1.74 obs.

Lithophragma glabrum

Smooth Rock-Star

Common1.31 obs.

Thelypodium laciniatum

Cut-Leaved Thelypody

Common1.31 obs.

Erigeron poliospermus

Cushion Fleabane

Common1.25 obs.

Toxicodendron rydbergii

Poison Ivy

Common1.23 obs.

Verbascum thapsus

Mullein

Common1.21 obs.

Ericameria nauseosa

Rabbitbrush

Occasional1.15 obs.

Vicia villosa

Hairy Vetch

Occasional0.99 obs.

Penstemon richardsonii

Occasional0.99 obs.

Cicindela oregona

Occasional0.99 obs.

Mecinus janthiniformis

Dalmatian Toadflax Stem Weevil

Occasional0.99 obs.

Asclepias speciosa

Greek Milkweed

Occasional0.99 obs.

Datura wrightii

Hairy Thorn-Apple

Rare0.98 obs.

Pachypsylla venusta

Rare0.98 obs.

Onopordum acanthium

Giant Thistle

Rare0.98 obs.

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Most Common Species

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Regional Comparison

Regional Ranking

Species Count

+33%

vs. Regional Average

Compared to 8 nearby locations in Sherman County County, Oregon

Nearby Natural Areas

Buck Hollow Creek

Importance: 0.80

80 species

-20% vs. current

Deschutes River

Importance: 0.80

80 species

-20% vs. current

Sherman County

Importance: 0.80

72 species

-11% vs. current

Buck Hollow Creek

Importance: 0.80

39 species

+64% vs. current

Buck Hollow Creek

Importance: 0.80

4 species

+1500% vs. current

Rufus

Importance: 0.70

28 species

+129% vs. current

Moro

Importance: 0.70

2 species

+3100% vs. current

Deschutes River State Recreation Area

Importance: 0.60

77 species

-17% 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 Sherman 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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Most Common Species

Showing 20 most frequently observed species out of 64 total documented species.

Oncorhynchus tshawytscha

Chinook

Very Common488.51 obs.

Celtis reticulata

Netleaf Hackberry

Very Common2.96 obs.

Astragalus purshii

Very Common2.22 obs.

Eriophyllum lanatum

Woolly Eriophyllum

Very Common1.97 obs.

Pituophis catenifer

Bullsnake

Very Common1.96 obs.

Sceloporus occidentalis

Western Fence Lizard

Common1.74 obs.

Lithophragma glabrum

Smooth Rock-Star

Common1.31 obs.

Thelypodium laciniatum

Cut-Leaved Thelypody

Common1.31 obs.

Erigeron poliospermus

Cushion Fleabane

Common1.25 obs.

Toxicodendron rydbergii

Poison Ivy

Common1.23 obs.

Verbascum thapsus

Mullein

Common1.21 obs.

Ericameria nauseosa

Rabbitbrush

Occasional1.15 obs.

Vicia villosa

Hairy Vetch

Occasional0.99 obs.

Penstemon richardsonii

Occasional0.99 obs.

Cicindela oregona

Occasional0.99 obs.

Mecinus janthiniformis

Dalmatian Toadflax Stem Weevil

Occasional0.99 obs.

Asclepias speciosa

Greek Milkweed

Occasional0.99 obs.

Datura wrightii

Hairy Thorn-Apple

Rare0.98 obs.

Pachypsylla venusta

Rare0.98 obs.

Onopordum acanthium

Giant Thistle

Rare0.98 obs.

Want the Complete Field Guide?

Get all 64 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.

Regional Comparison

Regional Ranking

Species Count

+33%

vs. Regional Average

Compared to 8 nearby locations in Sherman County County, Oregon

Nearby Natural Areas

Buck Hollow Creek

Importance: 0.80

80 species

-20% vs. current

Deschutes River

Importance: 0.80

80 species

-20% vs. current

Sherman County

Importance: 0.80

72 species

-11% vs. current

Buck Hollow Creek

Importance: 0.80

39 species

+64% vs. current

Buck Hollow Creek

Importance: 0.80

4 species

+1500% vs. current

Rufus

Importance: 0.70

28 species

+129% vs. current

Moro

Importance: 0.70

2 species

+3100% vs. current

Deschutes River State Recreation Area

Importance: 0.60

77 species

-17% 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

#32

Regional Rank

Out of 100 locations

Species Distribution

Very Common13 species

Common20 species

Occasional19 species

Rare12 species

Regional Context

Regional Ranking

#32 of 100 locations

68th percentile for diversity

vs. Deschutes River

-20% species diversity