Its next living relatives are the Snares Fernbird (M. punctatus caudatus) and the New Zealand Fernbird or Matata (Megalurus punctatus).
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Museums specimens can be seen in the Auckland War Memorial Museum, in the Harvard Museum of Natural History, Berlin, Chicago, Christchurch, in the Natural History Museum, in the World Museum Liverpool, in the American Museum of Natural History, in Paris, in Pittsburgh and in Stockholm.
Chatham | Chatham Islands | William Pitt, 1st Earl of Chatham | Chatham, Kent | Chatham House | Rhys Chatham | London, Chatham and Dover Railway | Chatham, New Brunswick | Chatham, New Jersey | Chatham Dockyard | Chatham County, North Carolina | Chatham County | HMS Chatham | Chatham, Virginia | Chatham, Massachusetts | Chatham Island (Chile) | Chatham Head, New Brunswick | Chatham Head | John Pitt, 2nd Earl of Chatham | Earl of Chatham | Chatham—Kent | Chatham Island | The narrator declares that Marcas is "semblable à Pitt, qui s'était donné l'Angleterre pour femme" ("like William Pitt, 1st Earl of Chatham | New Zealand Fernbird | HMS Chatham (F87) | HMS ''Chatham'' | Chatham Village | Chatham Vase | Chatham (UK Parliament constituency) | Chatham Tomtit |