 The rufous hare-wallaby ("Lagorchestes hirsutus") is now extinct in the wild, and a further ten species of mammal are extinct in the subregion.The endangered red-tailed phascogale ("Phascogale calura") still occurs in the region, as do the vulnerable black-flanked rock-wallaby ("Petrogale lateralis") and heath rat ("Pseudomys shortridgei"), and the western brush wallaby ("Macropus irma").Western Mallee falls within what the Department of Agriculture and Food terms the "Intensive Land-use Zone" (ILZ), the area of Western Australia that has been largely cleared and developed for intensive agriculture such as cropping and livestock production.