Why are brush-tailed rat-kangaroos endangered?

The correct name for the "brush tailed rat-kangaroo" is the Brush tailed Bettong, as the bettong is a type of rat-kangaroo. Also known as the woylie, this animal is a native marsupial of Australia, Reasons for it being classed as endangered include competition with introduced grazing animals, habitat destruction, the spread of agricultural development, changed fire regimes with the loss of aboriginal habitation, and the introduced red fox and feral cats.