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| Maras (Patagonian hare) | |
|---|---|
| Name | Mara |
| Status | LC |
| Status system | IUCN3.1 |
| Genus | Dolichotis |
| Species | patagonum |
| Authority | (Zimmermann, 1780) |
Maras (Patagonian hare) are a large South American rodent species in the family Caviidae notable for their long limbs and rabbit‑like appearance. Native to the Patagonia region, they occupy open habitats and play roles in trophic networks involving predators and plant communities. Their morphology, behavior, and conservation status have attracted attention from researchers associated with institutions such as the Smithsonian Institution, National Geographic Society, and numerous universities across Argentina and Chile.
Maras are classified in the genus Dolichotis and the species Dolichotis patagonum within the family Caviidae, which also includes taxa studied by researchers at the Field Museum, American Museum of Natural History, and Royal Society. Early descriptions were produced in the era of naturalists such as Johann Georg Wagler and Eberhard August Wilhelm von Zimmermann. Taxonomic treatments appear in works associated with the International Commission on Zoological Nomenclature and have been referenced in monographs from institutions like the Zoological Society of London, Muséum National d'Histoire Naturelle, and Linnean Society of London. Phylogenetic analyses comparing maras to other caviids draw on datasets curated by teams at the Natural History Museum, London, University of Buenos Aires, CONICET, and the Max Planck Institute for Evolutionary Anthropology.
Adult maras exhibit a unique suite of characters documented in field guides from the American Museum of Natural History and the British Museum (Natural History). Diagnostic features include elongated hind limbs resembling those illustrated in plates from the Encyclopædia Britannica and noted by observers linked to the Royal Geographical Society. Pelage coloration, body proportions, and cranial morphology have been described in comparative studies involving specimens from the Smithsonian Institution National Museum of Natural History, Museo Argentino de Ciencias Naturales Bernardino Rivadavia, and collections at the Museum of Comparative Zoology. Morphometric data used in identification have informed keys produced by researchers affiliated with Cornell University, University of California, Berkeley, and the University of Oxford.
Maras are documented across Patagonia, the Pampas, and arid landscapes of southern South America in surveys published by teams at CONICET, Instituto Nacional de Tecnología Agropecuaria, and environmental assessments for protected areas such as Parque Nacional Los Glaciares and Parque National Lanín. Their range maps appear in resources from the IUCN, World Wildlife Fund, and regional agencies including Dirección de Fauna Silvestre (Argentina) and CONAF (Chile). Habitat associations with steppe, shrubland, and grassland ecosystems have been evaluated alongside land‑use studies by researchers at Yale University, University of Cambridge, and University of São Paulo.
Behavioral studies of maras have been undertaken by researchers connected to the University of Reading, University of Zurich, and University of Buenos Aires School of Natural Sciences. Social structure, sentinel behavior, and movement patterns have been compared with observations from long‑term field projects at sites monitored by the Wildlife Conservation Society and the Panthera program. Predator–prey interactions involve species catalogued by institutions such as the Museo Nacional de Historia Natural (Santiago), including predators known from inventories by the Global Raptor Information Network and carnivore studies at the University of Chile. Ecological roles in seed dispersal and vegetation dynamics have been discussed in collaboration with the United Nations Environment Programme and regional conservation NGOs.
Maras are primarily herbivorous; dietary composition has been characterized in isotopic and stomach‑content analyses led by teams from the University of Córdoba (Argentina), University of Buenos Aires Faculty of Veterinary Sciences, and the National Autonomous University of Mexico collaborating with CONICET. Foraging behavior and plant species preferences appear in botanical‑faunal interaction studies involving herbaceous communities catalogued by the Missouri Botanical Garden, Kew Gardens, and the Royal Botanic Gardens Kew herbarium networks. Seasonal shifts in resource use are reported in ecological literature tied to projects funded by the European Union Horizon programmes and Latin American biodiversity initiatives.
Reproductive ecology has been the focus of work by reproductive biologists at the University of Melbourne, University of São Paulo, and the University of California, Davis in partnership with regional wildlife services. Mating systems, timing of births, and juvenile development are described in field reports from protected areas such as Reserva Provincial La Payunia and research stations associated with the National Scientific and Technical Research Council (CONICET). Demographic parameters informing population models have been integrated into management plans produced by the Argentine Ministry of Environment and conservation assessments from the IUCN Species Survival Commission.
Population trends and threats have been assessed by the IUCN Red List teams and national agencies including Secretaría de Ambiente y Desarrollo Sustentable (Argentina) and Ministerio del Medio Ambiente (Chile). Pressures include habitat alteration documented in studies by the Food and Agriculture Organization, competition from introduced livestock reported by researchers at the Food and Agriculture Organization of the United Nations, and predation patterns evaluated by the Conservation Biology community. Conservation actions involving protected area designation, community outreach, and captive management have been implemented with support from organizations such as the World Wide Fund for Nature, Wildlife Conservation Network, and regional universities including National University of La Pampa and National University of Río Negro.
Category:Caviidae Category:Mammals of Patagonia