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| Quokka | |
|---|---|
| Name | Quokka |
| Status | Vulnerable |
| Status system | IUCN3.1 |
| Genus | Setonix |
| Species | S. brachyurus |
| Authority | (Quoy & Gaimard, 1830) |
Quokka The quokka is a small macropod native to southwestern Australia noted for its compact size and perceived "smiling" expression. It occupies island and mainland habitats studied by researchers from institutions such as the University of Western Australia, Australian Museum, Commonwealth Scientific and Industrial Research Organisation and is featured in conservation programs linked to agencies like the IUCN and Department of Biodiversity, Conservation and Attractions. Popular culture appearances in media from BBC News to National Geographic have increased tourism to locations including Rottnest Island, Bald Head (Western Australia), and Garden Island (Western Australia).
Described in the 19th century by explorers allied with expeditions led by Louis de Freycinet and cataloged by naturalists like Jean René Constant Quoy and Joseph Paul Gaimard, the species sits in the family Macropodidae and the order Diprotodontia. Taxonomic treatments in works referencing the Australian Museum and monographs by researchers at the British Museum and Museum Victoria discuss its placement alongside genera such as Macropus, Wallabia and Notamacropus. Historical nomenclature appears in records from the era of the Voyage of the Uranie and correspondence with figures associated with the French scientific expeditions (1800s).
The quokka's morphology has been examined in comparative studies with eastern grey kangaroo, red kangaroo, and wallaby specimens curated by institutions including the South Australian Museum and Tasmanian Museum and Art Gallery. Adults exhibit a stocky build, short hindlimbs relative to species like Bennett's wallaby and a rounded face referenced in anatomical surveys by scholars at the University of Melbourne and Monash University. Pelage descriptions in field guides from the Royal Society of Western Australia note coarse brown fur, small rounded ears, and dentition patterns compared in osteological collections at the Natural History Museum, London.
Range maps produced by the IUCN and researchers at the Australian National University show populations concentrated on islands such as Rottnest Island and parts of the mainland in the South West (Western Australia), including sites like Dunsborough and Busselton. Habitat assessments performed by the Department of Parks and Wildlife (Western Australia) and conservationists affiliated with BirdLife Australia describe occupancy of dense scrub, heathland and coastal thickets similar to habitats studied in Ningaloo Coast and Swan Coastal Plain. Historical records from explorers including Willem de Vlamingh and colonial surveys reveal changes in distribution tied to land-use shifts documented by agencies like the National Trust of Australia (Western Australia).
Ethologists from the University of Western Australia and the Australian Wildlife Conservancy have recorded social behaviors including nocturnal foraging and grouping patterns comparable to studies on tammar wallaby and pademelon species. Predator-prey interactions with introduced species such as red fox and feral cat are documented in reports by the Department of Agriculture, Water and the Environment and case studies in journals published by the Australian Mammal Society. Movement ecology research employing methods from the CSIRO and remote-sensing collaborations with the Atlas of Living Australia examines home-range dynamics and responses to fire regimes studied in projects supported by the Australian Research Council.
Dietary analyses by botanists from the Western Australian Herbarium and ecologists at the University of Adelaide describe a herbivorous diet of grasses, leaves and bark paralleling findings in studies of kangaroo grass and coastal shrubs cataloged in floras authored by Alex George and contributors to the FloraBase. Foraging behavior documented in fieldwork sponsored by the Rottnest Island Authority and conservation NGOs mirrors seasonal shifts reported in studies of Australian macropods in publications associated with the Ecological Society of Australia.
Reproductive biology summarized in faunal surveys compiled by the Australian Museum and reproductive studies from the University of Sydney outline a marsupial breeding system with embryonic diapause comparisons to species covered in monographs from the Royal Zoological Society of New South Wales. Lifespan estimates from longitudinal studies published by researchers at the Perth Zoo and Taronga Zoo indicate relatively short wild lifespans compared to captive longevity records maintained by institutions including the San Diego Zoo Global and Zoological Society of London.
Conservation status assessments by the IUCN and management plans by the Department of Biodiversity, Conservation and Attractions highlight threats from habitat loss, invasive predators—documented in eradication programs like those coordinated by Rottnest Island Authority and Parks Victoria—and climate-related impacts evaluated by scientists at the CSIRO and Intergovernmental Panel on Climate Change. Recovery actions discussed in collaborations with the Australian Wildlife Conservancy, community groups such as the Rottnest Island Volunteer Guides, and funding bodies like the Australian Government focus on predator control, habitat restoration and visitor education modeled on programs run by the Zoological Parks and Gardens Board of NSW.
Category:Marsupials of Australia