fˈɑːsəl ˈɛvɪdəns sədʒˈɛsts ðˌɐɾɪt wʌz wˈʌns mˈʌtʃ mˈoːɹ wˈaɪdspɹɛd, bˌʌt pɹɪdˈeɪʃən baɪ ˌɪntɹədˈuːst mˈæməlz hɐz ɛnʃˈʊɹd ɪts ɹˈeɪndʒ ɪz nˈaʊ mˈʌtʃ ɹᵻdˈuːst.
Fossil evidence suggests that it was once much more widespread, but predation by introduced mammals has ensured its range is now much reduced.