Chironius scurrulus, commonly known as the smooth machete savane, is a large slender colubrid snake. It is also known as Wagler's sipo.
Geographic range It is found in tropical rainforests of the Brazilian Amazon, Southeastern Colombia, northern Bolivia, Ecuador, east of Venezuela, Peru, Trinidad and Tobago, Guyana, Suriname, French Guiana.
Description The dorsal scales are in only 10 rows.Boulenger, G.A. 1894. Catalogue of the Snakes in the British Museum (Natural History), Volume II. London. pp. 75-76.
Habitat and biology It feeds on frogs and lizards. They are diurnal. They live in primary and secondary forest habitats, on the ground or small trees, or in shrubs and bushes.
References
Wagler, J.G. 1824. Serpentum Brasiliensium species novae, ou histoire naturelle des espèces nouvelles de serpens. In: J.B. Spix. Animalia nova sive species novae. pp. 1–75.