Northern nail-tail wallaby

Northern nail-tail wallaby

Kingdom
Phylum
Subphylum
Class
Infraclass
Family
Genus
SPECIES
Onychogalea unguifera

The northern or sandy nail-tail wallaby is a species of macropod found across northern Australia on arid and sparsely wooded plains. The largest species of the genus Onychogalea, it is a solitary and nocturnal herbivorous browser that selects its food from a wide variety of grasses and succulent plant material. Distinguished by a slender and long-limbed form that resembles the typical and well known kangaroos, although their standing height is shorter, around half of one metre, and their weight is less than nine kilograms. As with some medium to large kangaroo species, such as Osphranter rufus, they have an unusual pentapedal motion at slow speeds by stiffening the tail for a fifth limb. When fleeing a disturbance, they hop rapidly with the tail curled back and repeatedly utter the sound "wuluhwuluh". Their exceptionally long tail has a broad fingernail-like protuberance beneath a dark crest of hair at its end, a peculiarity of the genus that is much broader than the other species. The name unguifera, meaning claw, is a reference to this extraordinary attribute, the purpose of which is unknown. Like the other species of the genus, they retire for the day in a shallow depression, but if disturbed they flee rapidly to find refuge in a hollow tree or thicket. Unlike the rare bridled nail-tail wallaby, once widespread and currently rare, the northern nail-tail wallaby is not a threatened species. The other member of the genus Onychogalea, the crescent nail-tail wallaby of the centre and west of Australia, probably became extinct in the mid-20th century.

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Distribution

Geography

Countries
Biogeographical realms

Northern nail-tail wallaby habitat map

References

1. Northern nail-tail wallaby Wikipedia article - https://en.wikipedia.org/wiki/Northern_nail-tail_wallaby
2. Northern nail-tail wallaby on The IUCN Red List site - https://www.iucnredlist.org/species/40568/21958021

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