![]() ![]() Northwestern Garter Snake ( Thamnophis ordinoides): sirtalis sub-species it must be kept in mind that variation can exist, and difficulty can still be found in placing garters down to sub-species in the field. Note: Even with the above mentioned delineation between T. The sides of the jaw are lighter in coloration. The sides of the body between the dorsal and lateral stripes have a series of red blotches. The sides of the body and the top of the head are black. T.s fitchi (valley garter snake) has a yellow dorsal stripe and similarly colored lateral stripes. The sides of the body are black with flecking that is usually the same color as the dorsal and lateral stripes but can occasionally be a red/orange coloration reminiscent of the conncinus and fitchi sub-species. T.s pickeringii (Puget Sound garter snake) has a turquoise to yellowish dorsal stripe and lateral stripes of the same color. The sides of the body are black with conspicuous red spots. T.s conncinus (red-spotted garter snake) has a solid-colored red or orange head with a wide yellow or green dorsal stripe and no lateral stripes. All common garter snake subspecies have seven upper labial scales. s pickeringii (Puget Sound lowlands) and T. and outer coast of the Olympic Peninsula), T. Three different sub-species of common garter snake have contiguous ranges in the area - T. ![]() The common garter snake is the most variable of the Thamnophis species in western WA. Common Garter Snake ( Thamnophis sirtalis): ![]()
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