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Maned wolf
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===Diet=== [[File:Flickr - João de Deus Medeiros - Solanum lycocarpum (1).jpg|thumb|right|250px|Fruit of the [[Solanum lycocarpum|wolf apple]], one of the main plant foods of the maned wolf]] The maned wolf is omnivorous. It specialises in preying on small and medium-sized animals, including small mammals (typically [[rodent]]s and [[rabbit]]s), [[bird]]s and their [[egg]]s, [[reptile]]s, and even [[fish]], [[gastropod]]s, other terrestrial [[mollusc]]s, and [[insect]]s, but a large portion of its diet (more than 50%, according to some studies) is vegetable matter, including sugarcane, tubers, bulbs, roots and fruit.<ref name=internatura/><ref name=Juarez>{{cite journal |last1=Juarez |first1=Keila Macfadem |last2=Marinho-Filho |first2=Jader |date=November 2002 |title=Diet, habitat use, and home ranges of sympatric canids in central Brazil |journal=Journal of Mammalogy |volume=83 |issue=4 |pages=925–934 |doi=10.1644/1545-1542(2002)083<0925:DHUAHR>2.0.CO;2 |doi-access=free }}</ref><ref name="auto">{{Cite web|url=https://animaldiversity.org/accounts/Chrysocyon_brachyurus/|title=Chrysocyon brachyurus (maned wolf)|first=Antonia|last=Gorog|website=Animal Diversity Web}}</ref><ref name="motta1996">{{cite journal|vauthors=Motta-Junior JC, Talamon SA, Lombardi JA, Simokomaki K|year=1996|title=Diet of maned wolf, ''Chrysocyon brachyurus'', in central Brazil|journal=Journal of Zoology|volume=240|issue=2|pages=277–284|doi=10.1111/j.1469-7998.1996.tb05284.x}}</ref> Up to 301 food items have been recorded in the maned wolf's diet, including 116 plants and 178 animal species.<ref name=songsasen/> The maned wolf hunts by chasing its prey, digging holes, and jumping to catch birds in flight. About 21% of hunts are successful.<ref name="canids"/> Some authors have recorded active pursuits of the [[Pampas deer]].<ref name=rodrigues2002/> They were also observed feeding on carcasses of run down animals.<ref name="canids"/> Fecal analysis has shown consumption of the [[giant anteater]], [[bush dog]], and [[collared peccary]], but whether these animals are actively hunted or scavenged is not known.<ref name=paula>{{cite journal|last=de Paula|first=R.C.|display-authors=et al <!--Rogério Cunha de Paula, Flávio Henrique Guimarães Rodrigues, Diego Queirolo, Rodrigo Pinto Silva Jorge, Frederico Gemesio Lemos & Livia de Almeida Rodrigues-->|date=2013|title=Avaliação do risco de extinção do lobo-guará ''Chrysocyon brachiurus'' (Illiger, 1815) no Brasil|trans-title=Maned wolf conservation status assessment ''Chrysocyon brachyurus'' (Illiger, 1815) in Brazil|language=pt|journal=Biodiversidade Brasileira|volume=3|issue=1|pages=146–159|url=http://www.icmbio.gov.br/revistaeletronica/index.php/BioBR/article/view/381/288|issn=2236-2886}}</ref><ref name=rodrigues2002/> [[Armadillos]] are also commonly consumed.<ref name="songsasen"/> Animals are more often consumed in the dry season.<ref name="dietz"/><ref name="motta1996"/> The [[wolf apple]] (''Solanum lycocarpum''), a tomato-like fruit, is the maned wolf's most common food item. With some exceptions, these fruits make up between 40 and 90% of the maned wolf's diet.<ref name="dietz"/><ref name=rodrigues2002/><ref name="motta1996"/><ref>{{cite thesis|title = Dieta, disponibilidade alimentar e padrão de movimentação de lobo-guará, ''Chrysocyon brachyurus'', no Parque Nacional da Serra da Canastra, MG.|url = http://pos.icb.ufmg.br/pgecologia/dissertacoes/D184_Mayra_Pereira_de_Melo_Amboni.pdf|author = Amboni, M.P.|degree = Mestrado em Ecologia, Manejo e Conservação da Vida Silvestre|access-date = 15 September 2015|location = Belo Horizonte|publisher = UFMG|year = 2007|archive-date = 9 July 2021|archive-url = https://web.archive.org/web/20210709195030/http://pos.icb.ufmg.br/pgecologia/dissertacoes/D184_Mayra_Pereira_de_Melo_Amboni.pdf|url-status = dead}}</ref> The wolf apple is actively sought by the maned wolf, and is consumed throughout the year, unlike other fruits that can only be eaten in abundance during the rainy season.<ref name=rodrigues2002/><ref name="motta1996"/> It can consume several fruits at a time and disperse intact seeds by defecating, making it an excellent disperser of the wolf apple plant.<ref name=rodrigues2002/> Despite their preferred habitat, maned wolves are ecologically flexible and can survive in disturbed habitats, from burned areas to places with high human influences. Burned areas have some small mammals, such as [[hairy-tailed bolo mouse]] (''Necromys lasiurus'') and [[vesper mouse]] (''Calomys'' spp.) that they can hunt and survive on.<ref>{{cite journal |last1=Massara |first1=Rodrigo Lima |title=Diet and Habitat use by Maned Wolf Outside Protected Areas in Eastern Brazil |journal=Tropical Conservation Science |volume=5 |issue=3 |pages=284–300 |doi=10.1177/194008291200500305 |year=2012 |doi-access=free }}</ref> Historically, captive maned wolves were fed meat-heavy diets, but that caused them to develop bladder stones. Zoo diets for them now feature fruits and vegetables, as well as meat and specialized extruded diet formulated for maned wolves to be low in stone-causing compounds (i.e. cystine). A maned wolf from Texas was found to be a host of an intestinal [[acanthocephala]]n worm, ''[[Pachysentis canicola]]''.<ref name="Amin2022">{{Cite journal|last1=Amin|first1=Omar M.|last2=Chaudhary|first2=Anshu|last3=Heckmann|first3=Richard A.|last4=Swenson|first4=Julie|last5=Singh|first5=Hridaya S.|date=2022-03-01|title=Redescription and Molecular Characterization of ''Pachysentis canicola'' Meyer, 1931 (Acanthocephala: Oligacanthorhynchidae) from the Maned Wolf, ''Chrysocyon brachyurus'' (Illiger, 1815) in Texas|url=https://doi.org/10.1007/s11686-021-00458-5|journal=Acta Parasitologica|language=en|volume=67|issue=1|pages=275–287|doi=10.1007/s11686-021-00458-5|pmid=34345996|s2cid=236914933|access-date=28 December 2022|archive-date=22 July 2023|archive-url=https://web.archive.org/web/20230722191043/https://link.springer.com/article/10.1007/s11686-021-00458-5|url-status=live|url-access=subscription}}</ref>
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