Rough-skinned newt
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The rough-skinned newt or roughskin newt is a North American newt known for the strong toxin exuded from its skin.
Taricha granulosa
Rough-skinned newt on the west side of the Oregon Coast Range.
Taricha granulosa egg in moss observed near Pe Ell, Washington on May 22, 2017
T. granulosa egg in Washington
Common garter snake
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The common garter snake is a species of snake in the subfamily Natricinae of the family Colubridae. The species is indigenous to North America and found widely across the continent. There are several
Rough-skinned newt
…This inhibition of firing action potentials has the effect of inducing paralysis and death by asphyxiation. Throughout much of the newt's range, the common garter snake (Thamnophis sirtalis) has been observed to exhibit resistance to the tetrodotoxin produced in the newt's skin. While in principle the toxin binds to a…
Thamnophis sirtalis sirtalis Wooster
Tetrodotoxin effects in garter snakes
Eating a wood frog, in Minnesota
T. s. sirtalis (Ontario specimen)