Wildlife of Boulder County

Boulder County is comprised of 740 square miles of land nestled along the front range of Colorado just 30 miles northwest of Denver. Its proximity to the mountains, diverse landscapes, and various designated open spaces make the county ideal for observing local and even migrating wildlife. ...more ↓

Western Tiger Swallowtail ¹
Papilio rutulus

Painted Lady ²
Vanessa cardui

Monarch ³
Danaus plexippus

Red Admiral ⁴
Vanessa atalanta

Hoary Comma ⁵
Polygonia gracilis

Gray Hairstreak ⁶
Strymon melinus

Common Checkered-Skipper ⁷
Pyrgus communis

Dainty Sulphur ⁸
Nathalis iole

Pearl Crescent ⁹
Phyciodes tharos

Callippe Fritillary
Speyeria callippe

Pale Swallowtail ¹⁰
Papilio eurymedon

Cabbage White ¹¹
Pieris rapae

Satyr Comma ¹²
Polygonia satyrus

Silvery Blue ¹³
Glaucopsyche lygdamus

Mourning Cloak ¹⁴
Nymphalis antiopa

Dreamy Duskywing ¹⁵
Erynnis icelus

Leonard's Skipper ¹⁶
Hesperia leonardus

Tawny-edged Skipper ¹⁷
Polites themistocles

Dun Skipper ¹⁸
Euphyes vestris

Black Swallowtail ¹⁹
Papilio polyxenes

Clouded Sulphur ²⁰
Colias philodice

Orange Sulphur ²⁰
Colias eurytheme

Bronze Copper ²¹
Lycaena hyllus

Aphrodite Fritillary ²²
Speyeria aphrodite

Viceroy ²³
Limenitis archippus

Checkered White ²⁴
Pontia protodice

Large Marble ²⁵
Euchloe ausonides

Edited by srupinsky, Melanie Hill, Deborah H Price, and Dave Sutherland, some rights reserved (CC BY-SA)

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Wildlife of Boulder County

Western Tiger Swallowtail 1 Papilio rutulus

Painted Lady 2 Vanessa cardui

Monarch 3 Danaus plexippus

Red Admiral 4 Vanessa atalanta

Hoary Comma 5 Polygonia gracilis

Gray Hairstreak 6 Strymon melinus

Common Checkered-Skipper 7 Pyrgus communis

Dainty Sulphur 8 Nathalis iole

Pearl Crescent 9 Phyciodes tharos

Callippe Fritillary Speyeria callippe

Pale Swallowtail 10 Papilio eurymedon

Cabbage White 11 Pieris rapae

Satyr Comma 12 Polygonia satyrus

Silvery Blue 13 Glaucopsyche lygdamus

Mourning Cloak 14 Nymphalis antiopa

Dreamy Duskywing 15 Erynnis icelus

Leonard's Skipper 16 Hesperia leonardus

Tawny-edged Skipper 17 Polites themistocles

Dun Skipper 18 Euphyes vestris

Black Swallowtail 19 Papilio polyxenes

Clouded Sulphur 20 Colias philodice

Orange Sulphur 20 Colias eurytheme

Bronze Copper 21 Lycaena hyllus

Aphrodite Fritillary 22 Speyeria aphrodite

Viceroy 23 Limenitis archippus

Checkered White 24 Pontia protodice

Large Marble 25 Euchloe ausonides