Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Paul DeBenedictis
1461
Thamnophis sirtalis
20 July
0.1 mi. N. (by U.S. 101) Etheridge Mem. Grove,
Prairie Creek Redwoods State Park, Del Norte Co., Calif.
Snake was taken in a grassy area in deep
redwood forest. Grass was about 12" high; open,
in a small (10 x 10 yards), surround by a berry (black)
patch. Surrounding forest of redwood and poplar.
Snake active in cold weather. Little cover apparent.
Venter smokey blue-olive, scutes lighter bordered
throat white, 1st scale row not much darker. Dorsy
black, 0 yellow vertebral stripe. 1½ half scale
rows wide, a lateral stripe, like venter but
yellowish, and 2nd + 3rd scale rows. Above
the a row of red bars 3 & scales high, one
wide, 2 to 1½ scales apart. Top of head olive,
a yellow parietal spot, posterior temporal
region fused with reddish.