The bar under the second fenestra has also been lost and the jaws have extreme flexibility allowing the snake to swallow its prey whole.
ðə bˈɑːɹ ˌʌndɚ ðə sˈɛkənd fˈɛnɛstɹə hɐz ˈɔːlsoʊ bˌɪn lˈɔst ænd ðə dʒˈɔːz hæv ɛkstɹˈiːm flˌɛksəbˈɪlᵻɾi ɐlˈaʊɪŋ ðə snˈeɪk tə swˈɔloʊ ɪts pɹˈeɪ hˈoʊl.