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Hopping mouse

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(Redirected from Notomys) Genus of rodents

Hopping mouse
Temporal range: Late Pliocene - Recent
Dusky hopping mouse (Notomys fuscus)
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order: Rodentia
Family: Muridae
Tribe: Hydromyini
Genus: Notomys
Lesson, 1842
Type species
Dipus mitchelli
Species
N. alexis
N. amplus
N. aquilo
N. cervinus
N. fuscus
N. longicaudatus
N. macrotis
N. mitchelli
N. mordax
N. robustus
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A hopping mouse is any of about ten different Australian native mice in the genus Notomys. They are rodents, not marsupials, and their ancestors are thought to have arrived from Asia about 5 million years ago.

All are brown or fawn, fading to pale grey or white underneath, have very long tails and, as the common name implies, well-developed hind legs. Half of the hopping mouse species have become extinct since European colonisation. The primary cause is probably predation from introduced foxes or cats, coupled with competition for food from introduced rabbits and hoofed mammals. A hopping mouse's primary diet is seeds. An Australian hopping mouse can concentrate urine to as high as 10,000 mOsm/L (10-20 times higher than a human). This allows it to survive in the desert without drinking water.

Species

  • The spinifex hopping mouse (Notomys alexis) occurs throughout the central and western Australian arid zones, occupying both spinifex-covered sand flats and stabilised sand dunes, and loamy mulga and melaleuca flats.
  • The extinct short-tailed hopping mouse (Notomys amplus) was the largest species at around 100 g.
  • The northern hopping mouse (Notomys aquilo) is found only in coastal northern Australia, from Arnhem Land to the Cobourg Peninsula.
  • The fawn hopping mouse (Notomys cervinus) is found on the sparsely vegetated arid gibber plains and claypans of the Lake Eyre Basin. Small at around 30 to 50 g, and light in colour, it is gregarious and feeds at night on seeds, insects, and green shoots, not needing to drink water. It is classed as near threatened.
  • Some small dusky hopping mouse (Notomys fuscus) populations retain a slender hold on existence in the Strzelecki Desert. They feed, mostly on seeds, at night and shelter in deep vertical burrows.
  • The long-tailed hopping mouse (Notomys longicaudatus) is an extinct species, which was widespread in the drier regions of southern and central Australia. It dug burrows in stiff, clay soils. It liked raisins, but was not a pest to the stores of settlers. Only a handful of specimens were collected and the last record dates from 1901, although skull fragments were found in an owl pellet in 1977.
  • The extinct big-eared hopping mouse (Notomys macrotis) lived in the Moore River area of south-western Australia. The last record dates from 19 July 1843.
  • Mitchell's hopping mouse (Notomys mitchellii) is the largest extant member of the genus. It occurs throughout much of semi-arid Southern Australia and is currently considered to be unthreatened, although its range has been reduced through habitat disturbance and destruction.
  • The Darling Downs hopping mouse (Notomys mordax) is almost certainly extinct and is known only from a single skull collected somewhere on the Darling Downs of south-east Queensland in the 1840s, apparently from a creature similar to Mitchell's hopping-mouse. The introduction of cattle to the Darling Downs has greatly changed the ecology of the region, and seen several other species exterminated or seriously threatened. (See Paradise parrot and Northern hairy-nosed wombat.)
  • The great hopping mouse (Notomys robustus Mahoney, Smith and Medlin 2008) is extinct. It is known only from skulls found in owl pellets in the Flinders Ranges. Some pellets also include bones of the introduced house mouse—indicating that it survived into historic times, possibly the second half of the 19th century. From the skull, it appears to have been relatively large (perhaps the size of N. amplus or a little more) and to have escaped collection by early 19th century naturalists by chance. From the location of the deposits it is assumed that it preferred clay rather than sandy soils. It is notable that very few of the clay-living hopping mice have survived European settlement, sand dunes apparently providing a more secure refuge from competitors and predators. Also commonly known as the broad-cheeked hopping-mouse.

See also

References

Footnotes

  1. Wilson, D. E.; Reeder, D. M., eds. (2005). Mammal Species of the World: A Taxonomic and Geographic Reference (3rd ed.). Johns Hopkins University Press. ISBN 978-0-8018-8221-0. OCLC 62265494.

Bibliography

Extant species of subfamily Murinae (Pogonomys–Pseudomys)
Pogonomys
Division
Abeomelomys
Anisomys
Brassomys
Chiruromys
Coccymys
Hyomys
(White-eared rats)
Macruromys
(New Guinean rats)
Mallomys
(Giant tree rats)
Mammelomys
Pogonomelomys
(Rummler's
mosaic tailed rats)
Pogonomys
(Prehensile-tailed rats)
Xenuromys
Pseudomys
Division
Conilurus
Leggadina
Leporillus
(Australian
stick-nest rats)
Mastacomys
Mesembriomys
(Tree rats)
Notomys
(Australian
hopping mice)
Pseudomys
(Australian native mice)
Zyzomys
(Thick-tailed rats)
See also
Aethomys–Chrotomys
Colomys–Golunda
Hadromys–Maxomys
Melasmothrix–Mus
Oenomys–Pithecheir
Rattus
Stenocephalomys–Xeromys
Otomys
Others
Myomorpha
Myomorpha
Anomalomyidae
Dipodoidea
Dipodidae
Allactaginae
Cardiocraniinae
Dipodinae
Dipodini
Paradipodini
Euchoreutinae
Simimyidae
Sminthidae
Zapodidae
Muroidea
Armintomyidae
Platacanthomyidae
Spalacidae
Myospalacinae
Rhizomyinae
Spalacinae
Eumuroida
    • See below↓
Allactaga elater Cardiocranius paradoxus
Eumuroida
Calomyscidae
Cricetidae
Arvicolinae
Arvicolini
Clethrionomyini
Dicrostonychini
Ellobiusini
Lagurini
Lemmini
Microtini
Ondatrini
Pliophenacomyini
Pliomyini
Cricetinae
Democricetodontinae
Neotominae
Baiomyini
Neotomini
Ochrotomyini
Reithrodontomyini
Sigmodontinae
Oryzomyalia
Abrotrichini
Akodontini
Ozyzomyini
Phyllotini
Thomasomyini
Wiedomyini
Sigmodontalia
Ichthyomyini
Sigmodontini
Tylomyinae
Nyctomyini
Tylomyini
Muridae
Deomyinae
Gerbillinae
Desmodilliscini
Gerbillini
Gerbillurini
Taterillini
Leimacomyinae
Lophiomyinae
Murinae
Apodemini
Arvicanthini
Hapalomyini
Hydromyini
Malacomyini
Millardini
Murini
Otomyini
Phloeomyini
Praomyini
Rattini
Vandeleurini
Pseudocricetodontinae
Nesomyidae
Cricetomyinae
Delanymyinae
Dendromurinae
Mystromyinae
Nesomyinae
Petromyscinae
Peromyscus pembertoni

Cricetus cricetus Malpaisomys insularis Canariomys bravoi Canarios tamarani

Apomys gracilirostris
Taxon identifiers
Notomys
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