The nominate race of the Thick-billed Grasswren once inhabited the Northern Territory of central Australia.
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Photo from: ‘Andrew B. Black; Justin J. F. J. Jansen; Sylke Frahnert; Ulf S. Johansson: Provisional identification of historical grasswren (Amytornis: Maluridae) specimens in European collections draws attention to the incomplete phylogeny of the group. British Ornithologists’ Club 139(3): 228-237. 2019′
