A vividly coloured skin usually indicates that the species is toxic and is a warning sign to predators.
ɐ vˈɪvɪdli kˈʌlɚd skˈɪn jˈuːʒuːəli ˈɪndᵻkˌeɪts ðætðə spˈiːsiːz ɪz tˈɑːksɪk ænd ɪz ɐ wˈɔːɹnɪŋ sˈaɪn tə pɹˈɛdəɾɚz.