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OCTOBER 1989 - City of Boulder

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Common Name Scientific Name Habitat Preference<br />

COLUBRIDS COLUBRIDAE<br />

E. Racer Coluber constrictor<br />

flaviventris c<br />

W. Milk Snake Lampropeltis<br />

s triangulum gentilis<br />

Northern Water a , Ner~dia qipcdun<br />

Snake ' iipedon<br />

".' ,Ophpodrys vernalis<br />

* W. Smooth Cree% zar,m<br />

Snake blanchardi<br />

* Bullsnake >- Pituophis melano-<br />

'3 (d" leucus sayi<br />

Plains Blackhead Tantilla nigriceps<br />

Snake nigriceps<br />

Western Terrestrial ,?hamnophis elegans<br />

Garter Snake i vagrans<br />

Plains Carter Snake Thamnophis radix<br />

haydenii<br />

Common Carter-,,, _, Thamnophis sirtalis<br />

Snake ..fa4 parietalis<br />

Lined Snake ,, Tropidoclonion<br />

., 4 d'u ,<br />

lineatum lineatum<br />

*<br />

Vl PERS VIPERIDAE<br />

Prairie Rattlesnake.. Crotaluo viridis :<br />

viridis<br />

Grasslands & foothills below<br />

6,000 ft.<br />

Eastern plains b foothills below<br />

8,000 ft.<br />

Permahent streams and marshes<br />

below 5,500 ft.<br />

Riparian vegetation between Stensle I<br />

5,500-9,000 ft. July <strong>1989</strong><br />

Most habitats below 8,500 ft.<br />

BVR June <strong>1989</strong><br />

Grasslands C rocky canyons to<br />

7,000 ft.<br />

Most habitats below 11 ,000 ft.<br />

except plains<br />

Most habitats below 7,000 ft.<br />

Riparian habitat below 6,000 ft.<br />

Grasslands below 6,000 ft.<br />

All habitats up to about 8,000 ft.

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