Bettongia gaimardi gaimardi (Desmarest, 1822:542)

Eastern bettong, Eastern rat-kangaroo, Gaimard's rat-kangaroo, Gaimard's bettong



Taxonomy & Nomenclature

Synonym/s: Kangurus gaimardi Desmarest, 1822:542; Bettongia gaimardi (Desmarest, 1822:542); Hypsiprymnus white Quoy & Gaimard, 1824; Bettongia gaimardi gainardi (Desmarest, 1822:542) [orth. error used by Jackson & Groves, 2015:135]


Conservation Status


Last record: 1910? (Ride, 1970:207); 1911 (Goodwin & Goodwin, 1973); c. 1920's?

IUCN RedList status: Extinct


The extinction of B. g. gaimardi is attributed largely to predation by red foxes (Vulpes vulpes) (Johnson et al., 2023).



New South Wales (coastal), Queensland (extreme south-eastern), South Australia (extreme south-eastern) & Victoria, Australia

Type locality: "Port Jackson, N.S.W." (Calaby & Richardson, 1988:54)


"Coastal New South Wales to the slopes of the [Great] Dividing Range"

(Troughton, 1957:159)


Biology & Ecology

"Ecology: temperate, tussock grassland, open forest, nocturnal, terrestrial, fungivore, granivore, root-feeder; solitary, nest builder."

(Calaby & Richardson, 1988:55)



Holotype: MNHP Nouv. Cat. Gal. N° 130 (skin) / MNHP A2628 (skull) (Calaby & Richardson, 1988:54)






Original scientific description:

Desmarest, A. G. (1820, 1822). Mammalogie ou description des espèce de mammifères. Encyclopèdie Méthodique. Agasse, Paris, 555 pp., 66 plates.


Other references:

Calaby, J. H. and Richardson, B. J. (1988). Potoroidae, pp. 53-59. In: Walton, D. W. (ed.). Zoological Catalogue of Australia. Volume 5. Mammalia. Canberra: Australian Government Publishing Service. x + 273 pp. [p. 54-55]

Corbet, G. B., and J. E. Hill. 1980. A world list of mammalian species. British Museum (Natural History), London, 226 pp.

DEECA [Department of Energy, Environment and Climate Action]. (2023). Flora and Fauna Guarantee Act 1988 Threatened List: June 2023. Published report by The State of Victoria Department of Energy, Environment and Climate Action, Melbourne, Victoria.

Department of Sustainability, Environment, Water, Population and Communities (2010). Bettongia gaimardi gaimardi in Species Profile and Threats Database, Department of Sustainability, Environment, Water, Population and Communities, Canberra. Available from: Accessed Wed, 8 Dec 2010 21:02:12 +1100.

Finlayson, Herbert Hedley. (1959). On Bettongia cuniculus Ogilby, 1838 (Marsupialia). Trans. R. Soc. S. Aust. 82: 283-289.

Frith, H. J. (1979). Wildlife Conservation, revised edition. Angus & Robertson. xiv + 416 pp. [p. 295 (table), p. 334-335 (species account)]

Goodwin, Harry A. and Goodwin, J. M. (1973). List of mammals which have become extinct or are possibly extinct since 1600. Int. Union Conserv. Nat. Occas. Pap. 8: 1-20.

Iredale, Tom and Troughton, Ellis Le Geyt. (1934). A check-list of the mammals recorded from Australia. Mem. Aust. Mus. 6: i-xii, 1-122.

Jackson, Stephen and Groves, Colin. (2015). Taxonomy of Australian Mammals. Clayton South, Melbourne: CSIRO Publishing. 529 pp. [p. 135]

Janis, Christine M. (1990). Correlation of cranial and dental variables with dietary preferences in mammals: a comparison of macropodoids and ungulates. Mem. Qd. Mus. 28(1): 349-366.

Johnson, Chris N., Rose, R. W. and Johnson, K. A. (2023). Eastern Bettong, Bettongia gaimardi, pp. 290-291. In: Baker, Andrew M. and Gynther, Ian C. (eds.). Strahan’s Mammals of Australia (4th ed.). Wahroonga, NSW: Reed New Holland Publishers. 848 pp.

Menkhorst, P. (2008). Bettongia gaimardi. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.1. ( Downloaded on 24 September 2011.

Ogilby, J. Douglas. (1892). Catalogue of Australian Mammals, with Introductory Notes on General Mammalogy. Australian Museum, Sydney: Catalogue No. 16: viii + 142 pp.

Pledge, Neville S. (1990). The Upper Fossil Fauna of the Henschke Fossil Cave, Naracoorte, South Australia. Memoirs of the Queensland Museum (Proceedings of the De Vis Symposium) 28(1): 247-262.

Quoy, [J.R.C.] and Gaimard, [J.P.]. (1824). Zoologie. In: Freycinet, L. C. D. de (ed.). Voyage Autour du Monde, enterpris par ordre du Roi, sous le Ministère et conformément aux instructions de S. Exc. M. le Vicomte du Bouchage, Secrétaire d'État au Département de la Marine, exécuté sur les corvettes de S.M. l'Uranie et la Physicienne, pendent les années 1817, 1818, 1819 et 1820

Reed, Elizabeth H. and Bourne, Steven J. (2000). Pleistocene fossil vertebrate sites of the south east region of South Australia. Transactions of the Royal Society of South Australia 124(2): 61-90.

Reed, Elizabeth H. and Bourne, Steven J. (2009). Pleistocene Fossil Vertebrate Sites of the South East Region of South Australia II. Transactions of the Royal Society of South Australia 133(1): 30-40.

Ride, W. D. L. (1970). A Guide to the Native Mammals of Australia. Melbourne: Oxford University Press.

Rose, P. and Johnson, K. A. (1995). Tasmanian Bettong, Bettongia gaimardi, pp. 287-288. In: Strahan, Ronald (ed.). The Mammals of Australia. Chatswood, N.S.W.: Reed Books. 756 pp.

Short, Jeff. (1998). The extinction of rat-kangaroos (Marsupialia: Potoroidae) in New South Wales, Australia. Biological Conservation 86(3): 365-377. [Abstract]

Short, Jeff and Calaby, John H. (2001). The status of Australian mammals in 1922 – collections and field notes of museum collector Charles Hoy. Australian Zoologist 31(4): 533-562.

Thomas, Oldfield. (1888). Catalogue of the Marsupialia and Monotremata in the collection of the British Museum (Natural History). London: British Museum (Natural History). xiii + 401 pp, including 33 pls.

Troughton, Ellis Le Geyt. (1943). The kangaroo family. Rat Kangaroos, 2. The Australian Museum Magazine 8(6): 204-207.

Troughton, Ellis Le Geyt. (1957). Furred Animals of Australia, 6th edition. Sydney: Angus & Robertson.

Wakefield, Norman A. (1960). Recent mammal bones in the Buchan District–1. The Victorian Naturalist 77(6): 164-178.

Wakefield, Norman A. (1963a). Sub-fossils from Mount Hamilton, Victoria. The Victorian Naturalist 79(11): 323-330.

Wakefield, Norman A. (1963b). Mammal remains from the Grampians, Victoria. The Victorian Naturalist 80(5): 130-133.

Wakefield, Norman Arthur. (1964). Recent mammalian sub-fossils of the basalt plains of Victoria. Proceedings of the Royal Society of Victoria. New series 77(2): 419-425.

Wakefield, Norman A. (1967a). Some taxonomic revision in the Australian marsupial genus Bettongia (Macropodidae), with description of a new species. The Victorian Naturalist 84(1): 8-22.

Wakefield, Norman A. (1967b). Preliminary report on McEachern's Cave, S.W. Victoria. The Victorian Naturalist 84(12): 363-383.

Wakefield, Norman A. (1972). Palaeoecology of fossil mammal assemblages for some Australian caves. Proceedings of the Royal Society of Victoria 85(1): 1-26.

Waterhouse, G. R. (1841). Marsupialia, or Pouched Animals (Mammalia, vol. XI). In: Jardine, William (ser. ed.). The Naturalist's Library (vol. XXIV). Edinburgh: W.H. Lizars / London: Henry G. Bohn. xvi + 324 pp.


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