The arms race between newts and snakes depends on newt population structure

September 28, 2020

Dangerously poisonous newts (Taricha granulosa), which sequester the toxin tetrodotoxin (TTX), and their predator, garter snakes (Thamnophis sirtalis), which can evolve TTX resistance, are engaged in a classic coevolutionary arms race. In general, the amount of poison in the newts and the…