Mussurana

distribution

A subadult (Fig. 16) photographed on 7 November 2023 at Compañía Ñaumby, Boquerón – Caazapá, Caazapá department (26 ° 12 ’ 53.3 ’’ S 56 ° 15 ’ 32.5 ’’ W) by Virgilio Ramírez Sosa, is the first record for the department. The red and black colouration of immature specimens is diagnostic (Cacciali 2024). This is a widespread species in the Chaco and watersheds of the Paraguay and Paraná Rivers and has now been reported from Alto Paraguay, Boquerón, Caazapá, Central, Itapúa, Misiones, Ñeembucú, Presidente Hayes and San Pedro departments (Cacciali et al., 2016 b; Atkinson et al., 2017; Hicks et al., 2022). It is considered to be of “ Least Concern ” in Paraguay (Martínez et al., 2020 c).

Twenty-eight new and significant departmental reptile records for Paraguay

distribution

Distribution. Known from Argentina, Bolivia, Brazil, Paraguay, and Uruguay, mostly along the southern portion of the South American open diagonal (Plt. 308 A). In Brazil, recorded in the Atlantic Forest, Cerrado, Chaco, Chiquitano Dry Forest, Pampas Grasslands, and Pantanal (Plt. 308 A), at low to high elevations (Plt. 308 B). Observed in the field in open habitats including grassland and savanna (Gaiarsa et al., 2013; Sawaya et al., 2008).

Atlas of Brazilian Snakes: Verified Point-Locality Maps to Mitigate the Wallacean Shortfall in a Megadiverse Snake Fauna

distribution

Distribution and habitat. North, central-west, southeast and south of Brazil (Amazonas, Distrito Federal, Goias, Mato Grosso do Sul, Minas Gerais, Rio Grande do Sul, Sao Paulo), Argentina, Paraguay, and Uruguay (Bernils 2009, Wallach et al. 2014). Typically, this is a species of open areas (cerrados, savannas, chacos, and pampas) with records near adjacent forests (Bernils et al. 2007).

Composition and natural history of the snakes from the Parque Estadual da Serra do Papagaio, southern Minas Gerais, Serra da Mantiqueira, Brazil