nˌɛvɚðəlˈɛs, ɪɾ ɪz ˈɛstᵻmˌeɪɾᵻd ðæt ɪn ˌʌp tə twˈɛnti pɚsˈɛnt ʌv æmfˈɪbiən spˈiːsiːz, wˈʌn ɔːɹ bˈoʊθ ɐdˈʌlts plˈeɪ sˌʌm ɹˈoʊl ɪnðə kˈɛɹ ʌvðə jˈʌŋ.
Nevertheless, it is estimated that in up to 20% of amphibian species, one or both adults play some role in the care of the young.