Question: Are both islands, Isla De León and Little Barrier Island, located in the same country?
Sentence (from "Little Barrier Island"): However, several invasive species were introduced by both Maori and European settlers, including cats, which were destructive to local small bird and reptile species until they were eradicated between July 1977 and June 1980 in what was possibly New Zealand's costliest pest control programme.
Relevant evidence: No