However , this belief was erroneous , an urban legend .
The island featured in local mythos as the place where a local lighthouse keeper 's cat , named Tibbles , was claimed to have caused the extinction of Lyall 's wren in 1894 .
This belief was erroneous , an urban legend .
The island featured in local mythos as the place where a local lighthouse keeper 's cat , named Tibbles , was claimed to have caused the extinction of Lyall 's wren in 1894 .