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.
nˌɛvɚðəlˈɛs, ɪɾ ɪz ˈɛstᵻmˌeɪɾᵻd ðæt ɪn ˌʌp tə twˈɛnti pɚsˈɛnt ʌv æmfˈɪbiən spˈiːsiːz, wˈʌn ɔːɹ bˈoʊθ ɐdˈʌlts plˈeɪ sˌʌm ɹˈoʊl ɪnðə kˈɛɹ ʌvðə jˈʌŋ.