The smoky mouse (''Pseudomys fumeus'') is a species of

rodent Rodents (from Latin , 'to gnaw') are mammals of the Order (biology), order Rodentia ( ), which are characterized by a single pair of continuously growing incisors in each of the upper and Mandible, lower jaws. About 40% of all mammal specie ...

in the family

Muridae The Muridae, or murids, are either the largest or second-largest family of rodents and of mammals, containing approximately 870 species, including many species of mice, rats, and gerbils found naturally throughout Eurasia, Africa, and Australia. ...

native to southeastern

Australia Australia, officially the Commonwealth of Australia, is a country comprising mainland Australia, the mainland of the Australia (continent), Australian continent, the island of Tasmania and list of islands of Australia, numerous smaller isl ...

. It was first described in 1934 and its species name is

Latin Latin ( or ) is a classical language belonging to the Italic languages, Italic branch of the Indo-European languages. Latin was originally spoken by the Latins (Italic tribe), Latins in Latium (now known as Lazio), the lower Tiber area aroun ...

for "smoky". As its name suggests, it is a grey-furred mouse, darker grey above and paler smoky grey below. Mice from the Grampians are larger and a darker more slate-grey above. It has a black eye-ring and dark grey muzzle. The feet are light pink, and the ears a grey-pink. The tail is longer than the mouse's body, and is pink with a brownish stripe along the top. Mice from east of

Melbourne Melbourne ( , ; Boonwurrung language, Boonwurrung/ or ) is the List of Australian capital cities, capital and List of cities in Australia by population, most populous city of the States and territories of Australia, Australian state of Victori ...

average around 35 grams and have 107 mm long bodies with 116 mm long tails, while those from the Grampians are around 65 grams and have 122 mm long bodies with 132 mm long tails. The smoky mouse is currently rated as "vulnerable" and appears to be declining in numbers in the wild. Its range is fragmented and it appears to be extinct in some areas such as the Otway Ranges (not seen since 1985) and

Brindabella Ranges The Brindabella Range, commonly called The Brindabellas or The Brindies, is a mountain range located in Australia, on a state and territory border of New South Wales and the Australian Capital Territory (ACT). The range rises to the west of C ...

(not seen since 1987). It is found in the Grampians,

East Gippsland East Gippsland is the eastern region of Gippsland, Victoria (state), Victoria, Australia covering (14%) of Victoria (Australia), Victoria. It has a population of 80,114. Australian Bureau of Statistics2006 Census Community Profile Series: Ea ...

and far southeastern New South Wales (including Kosciuszko and

South East Forest National Park The South East Forests National Park is a national park located in between the Monaro (New South Wales), Monaro and South Coast (New South Wales), South Coast regions of New South Wales, Australia. The national park is situated southwest of Syd ...

s and Buccleugh State Forest). There are fewer than 2500 individuals left in the wild and all extant populations appear to be in decline. Vegetation changes, as well as feral cats, foxes and dogs appear to be the main causes. There is an active recovery plan for the species, and there is active predator monitoring in the Yowaka and Waalimma sections of the South East Forest National Park. In February 2020 it was reported that researchers from

Charles Sturt University Charles Sturt University is an Australian multi-campus public university located in New South Wales, Australian Capital Territory and Victoria, Australia, Victoria. Established in 1989, it was named in honour of Captain (British Army and Royal ...

, found the death of nine smoky mice was from "severe lung disease" caused by smoke haze during the 2019–20 Australian bushfires that contained PM2.5 particles coming from bushfires 50 kilometres away. It was feared that the

Kosciuszko National Park The Kosciuszko National Park ( ) is a national park and contains mainland Australia's highest peak, Mount Kosciuszko, for which it is named, and Cabramurra, New South Wales, Cabramurra, the highest town in Australia. Its borders contain a mix o ...

population had been extirpated as a result of the bushfires, but individuals were rediscovered in June 2020. In other languages it has been called ''fausse souris fuligineuse'' (French), ''raton bastardo fumoso'' (Spanish), or ''koonoom'' (?).

References

* {{Taxonbar, from=Q1765364 Pseudomys Mammals of New South Wales Mammals of Victoria (state) Rodents of Australia Endangered fauna of Australia Mammals described in 1934 Taxonomy articles created by Polbot