
Friday 25 January
Kingdom | Animalia |
Phylum | Chordata |
Class | Mammalia |
Order | Diprodontia |
Family | Potoroidae |
Genus | Potorous (1) |
Last recorded alive in 1875, the enigmatic broad-faced potoroo was possibly an early victim of the expansion of European settlers into the western half of the Australian continent (4) (5). A member of the Potoroidae family, otherwise known as the “rat-kangaroos”, this diminutive marsupial had well developed hind-limbs, like those of a kangaroo, and short but muscular fore-limbs bearing small paws (2) (6). As alluded to in its name, the muzzle of the broad-faced potoroo was much shorter and wider than those of its extant relatives (4) (6).The coat colour was variable, with the hair on the back being grey at the base, passing into yellow-brown, then white, and tipped with black, while the underparts were dusky white (3).
In the time between the broad-faced potoroo’s discovery in 1844 and its final disappearance in 1875, only 12 specimens were ever collected (1) (5). Consequently, almost nothing is known about the biology of this species. Nonetheless, given that all the modern potoroids are at least partially omnivorous, there is a high probability the broad-faced potoroo was as well (2).
Classified as Extinct (EX) on the IUCN Red List (1).
Despite extensive surveys, the broad-faced potoroo has not been recorded in more than 125 years, and is thus believed to be extinct (1). The cause of its extinction is unknown, but it is thought to have likely been brought about by the arrival of feral cats, in possible conjunction with disease and the cessation of burning by local Aboriginal people (1) (5). There is also speculation that the species may have been already rare at the time of European human settlement of the Australian continent (3).
The broad-faced potoroo is classified as Extinct (1).
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