Although photographed in dim early morning light, I think the blackish color is diagnostic. It appeared to be about the size of a large house cat (without the tail).
Summary[edit] Description: Português: Parque Nacional da Serra da Capivara de nível Federal, localizado (a) em Canto do Buriti (PI), São João do Piauí (PI), São Raimundo Nonato (PI), Coronel José Dias (PI). Date: 31 December 2018, 16:12:51. Source: Own work. Author: Rocmayer.
Summary[edit] Description: Español: Andoke. : Esta fotografía fue tomada en el municipio colombiano con código 76001.. Date: 11 October 2015, 16:42:26. Source: Own work. Author: Juan Velasco.
Summary[edit] Description: English: A Central America Agouti (Dasyprocta punctata) eating some fruit. Date: 24 April 2009. Source: Self-photographed. Author: Pierre Benard.