In locations where both snake and salamander co-exist, the snakes have developed immunity through genetic changes and they feed on the amphibians with impunity.
ɪn loʊkˈeɪʃənz wˌɛɹ bˈoʊθ snˈeɪk ænd sˈælɐmˌændɚ kˈoʊɛɡzˈɪst, ðə snˈeɪks hæv dɪvˈɛləpt ɪmjˈuːnᵻɾi θɹuː dʒɪnˈɛɾɪk tʃˈeɪndʒᵻz ænd ðeɪ fˈiːd ɔnðɪ æmfˈɪbiənz wɪð ɪmpjˈuːnᵻɾi.