A few salamanders will autotomise their tails when attacked, sacrificing this part of their anatomy to enable them to escape.
ɐ fjˈuː sˈælɐmˌændɚz wɪl ˌɔːɾoʊtˈɑːmaɪz ðɛɹ tˈeɪlz wɛn ɐtˈækt, sˈækɹᵻfˌaɪsɪŋ ðɪs pˈɑːɹt ʌv ðɛɹ ɐnˈæɾəmi tʊ ɛnˈeɪbəl ðˌɛm tʊ ɛskˈeɪp.