The Australian Swamp Rat is a species of rat native to the area around Melbourne. they currently live primarily in the outer urban areas East of Melbourne. They are unrelated to Black or Brown rats and are not problematic. The Swamp Rat can be seen at places like the Healesville Sanctuary, where they live in the grounds. The rangers at Healsville tolerate them, since they (the rats) are native to the area and carry no dangerous diseases. The conservation status of a species is an indicator of the likelihood of that species continuing to survive. ... Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms (as opposed to folk taxonomy). ... Phyla Subregnum Parazoa Porifera (sponges) Subregnum Agnotozoa Placozoa (trichoplax) Orthonectida (orthonectids) Rhombozoa (dicyemids) Subregnum Eumetazoa Radiata (unranked) (radial symmetry) Ctenophora (comb jellies) Cnidaria (coral, jellyfish, anemones) Bilateria (unranked) (bilateral symmetry) Acoelomorpha (basal) Orthonectida (parasitic to flatworms, echinoderms, etc. ... Typical Classes Subphylum Urochordata - Tunicatas Ascidiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Orders Subclass Multituberculata (extinct) Plagiaulacida Cimolodonta Subclass Palaeoryctoides (extinct) Subclass Triconodonta (extinct) Subclass Eutheria (excludes extinct ancestors) Afrosoricida Anagaloidea (extinct) Artiodactyla Carnivora Cetacea Chiroptera Cimolesta (extinct) Creodonta (extinct) Condylarthra (extinct) Dermoptera Desmostylia (extinct) Dinocerata (extinct) Embrithopoda (extinct) Hyracoidea Insectivora Lagomorpha Litopterna (extinct) Macroscelidea Mesonychia (extinct) Notoungulata (extinct) Perissodactyla Pholidota Plesiadapiformes... Families See Classification Section The order Rodentia is the most numerous of the branches on the mammal family tree. ... Subfamilies See text Muridae is the largest family of mammals. ... Genera See text. ... This is an article about wild rats; for pet rats, see Fancy rat Species 50 species; see text *Several subfamilies of Muroids include animals called rats. ... In biology, binomial nomenclature is the formal method of naming species. ... John Edward Gray. ... Melbourne (pronounced either or [1]) is the state capital and largest city in the Australian state of Victoria, and the second-largest city in Australia, with a population of approximately 3. ... Melbourne (pronounced either or [1]) is the state capital and largest city in the Australian state of Victoria, and the second-largest city in Australia, with a population of approximately 3. ... Binomial name Rattus rattus (Linnaeus, 1758) The Black Rat (Rattus rattus, also known as the Asian Black Rat, Ship Rat, Roof Rat or House Rat) is a common long-tailed rodent of the genus Rattus (Old World rodents) and the subfamily murinae (Murine rodents). ... Binomial name Rattus norvegicus (Berkenhout, 1769) The Brown Rat or Norway Rat (Rattus norvegicus) is one of the best-known and common rats, and also one of the largest. ... Healesville Sanctuary is a zoo specializing in native Australian animals. ...

References

• Baillie (1996). Rattus lutreolus. 2006 IUCN Red List of Threatened Species. IUCN 2006. Retrieved on 12 May 2006.