Shed snakeskins collected on museum grounds.
These are all (so far) garter snakes (Thamnophis sirtalis). There are many variations in color stripe to be seen on the local snakes, from bright yellow to red to green. The shed skins all tend to be the same mottled brown.
garter snake skin • May 2016
45° 39′ 08″ N, 123° 06′ 54″ W / elev. 350′