Yellow-footed Rock Wallaby Husbandry Manual - Marsupial and ...

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History of the Species 4
1. A. CLASSIFICATION & STATUS YELLOW-FOOTED ROCK WEASEL? The yellow-footed rock wallaby (Petrogale xanthopus Gray) was first described from specimens collected in the Flinders ranges by naturalist Frederick Strange in the late 1840s or early 1850s (Copley, 1983). He sent two specimens to the British Museum of Natural History where Director and taxonomist J.E. Gray described it as a new species of wallaby in the genus Petrogale [rock (petro) weasel (gale]. He gave it the species name xanthopus [yellow (xantho) footed (pus)] in 1855 (Lim et al, 1987). Wilson and Reeder (1993) reference a limited use of xanthopygus. Of the ten distinct species in the genus Petrogale, they are one of four with 22 chromosomes. The very closely-related Petrogale x. celeris (the Queensland yellow-footed rock wallaby) is considered a conspecific, as they share the same derived alleles at several loci and a common karyotype not found in any other rock wallaby species. The other species in this group are Petrogale rothschildi and Petrogale persephone (Lim et al, 1987; Strahan, 1995). The International Zoo Yearbook (IZY) referred to the Petrogale species as the order Marsupialia until 1995 when it was reclassified as Diprotodontia (Olney, 1997). Petrogale x. xanthopus is also commonly referred to as the ring-tailed rock wallaby, and the IZY called it the Southern yellow-footed wallaby in its 1998 edition to separate it from the Queensland subspecies, Petrogale x. celeris. There is also a reference to it being referred to as the yellow-legged rock-kangaroo (McKay et al, 1997). SHIFTING STATUS The wild status of the yellow-footed rock wallaby has been in constant flux as new information is obtained. The constant change is because they may be locally very common in some areas, but of increasing rareness in much of their former habitat. The best description of its status is that it is “considered to be potentially vulnerable to extinction” (Pope et al, 1996). Accenting the positive, they can be referred to as relatively abundant in suitable habitat. The International Zoo Yearbook listed Petrogale xanthopus as "II" (forms whose status should be watched and for which protective measures should be taken wherever practicable) in its 1962 edition. It was listed as "Rare" (originally defined as species in danger of extinction or extremely rare in their natural habitats, but later defined as "Taxa with small world populations that are not at present "Endangered" or "Vulnerable", but are at risk. These taxa are usually localized within restricted geographical areas or habitats or are thinly scattered over a more extensive range) from 1963 to 1974 (although the 1966 IUCN Red Data Book classified it as 'inadequately known' during that time). It was listed as Vulnerable (taxa believed likely to move into the "Endangered" category in the near future if the causal factors continue operating. Included are taxa of which most or all the populations are decreasing because of over-exploitation, extensive destruction of habitat or other environmental disturbance; taxa with populations that have been seriously depleted and whose ultimate security has not yet been assured; and taxa with populations that are still abundant but are under threat from severe adverse factors throughout their range) from 1975 5
Page 1 and 2: Yellow-footed Rock Wallaby (Petroga
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Page 7 and 8: ASMP as a Management Level 1a (high
Page 9 and 10: also causing small isolated colonie
Page 11 and 12: are still present in most mining ar
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Page 15 and 16: Some believe the rock wallaby appea
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Page 21 and 22: II. A. DESCRIPTION OF THE SPECIES S
Page 23 and 24: of other local Macropods such as th
Page 25 and 26: offspring and juvenile males. Group
Page 27 and 28: II. B. HABITAT DESCRIPTION OF THE H
Page 29 and 30: The Gap Ranges in New South Wales o
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Page 35 and 36: WATER DEPENDENCY It was commonly be
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Page 46 and 47: REINTRODUCTION (South Australia) Th
Page 48 and 49: The brochure for the Aroona Dam San
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extra Vitamin A & D to ensure a hea
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III. B. VETERINARY CARE PARASITES A
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keeper entry to check on the animal
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For weighing, the bag is the best t
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From Live Animal Regulations, 2001
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Bibliography & Sources 66
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Evans DD, editor. The management of
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Olney PJS, Fisken FA, editors. Cens
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IV. B. INTERNET SITES REFERENCED Au
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ACKNOWLEDGEMENTS There are many peo
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