The wildlife of Iraq includes its flora and fauna and their natural habitats. Iraq has multiple biomes which include the mountainous Kurdistan region in northern Iraq to the wet marshlands along the Euphrates river. The western part of the country comprises desert and some semi-arid regions. As of 2001, seven of Iraq's mammal species and 12 of its bird species are endangered. The endangered species include the northern bald ibis and Persian fallow deer. The Syrian wild ass is extinct, and the Saudi Arabian dorcas gazelle was declared extinct in 2008.