Checklist of medium-sized to large mammals of Campos Gerais National Park, Paraná, Brazil Author Pereira, Alan Deivid Author Bazilio, Sergio Author Orsi, Mário Luís text Check List 2018 2018-09-28 14 5 785 799 http://dx.doi.org/10.15560/14.5.785 journal article 10.15560/14.5.785 1809-127X Hydrochoerus hydrochaeris (Linnaeus, 1766) Records. Record was in November 29, 2013 , monitoring site 7 ( 25°09.42ʹ S , 049°59.44ʹ W ). Identification. Hydrochoerus hydrochaeris is the largest rodent in the world, easily identifiable due to the shape of the head with short ears and hue ranging between reddish to grayish brown. The species was recorded based on the analysis of footprints and opportunistic observations ( Table 1 )