Oxyrhopus formosus (vernacular names: beautiful calico snake, Formosa false coral snake) is a neotropical snake[2][3] of the family Dipsadidae. Its distribution is not fully understood, because of inaccurate identifications and confusion with other Oxyrhopus species. It has been reported from Brazil, Colombia, and Peru. Reports from the Guiana region are based on misidentified O. occipitalis.[4]Oxyrhopus formosus are robust, the head is entirely yellow, and adults are red with prominent black bands; O. occipitalis are slender, the snout is yellow and the top of head is brown, and adults are red with faint crossbands.
^Silveira, A.L.; Argôlo , A.J.S.; Abrahão, C.R.; Nogueira, C. de C.; Strüssmann, C.; Loebmann, D.; Barbo, F.E.; Franco, F.L.; Costa, G.C.; de Moura, G.J.B.; Zaher, H. el D.; Borges-Martins, M.; Martins, M.R.C.; Oliveira , M.E.; Hoogmoed, M.S.; Marques, O.A.V.; Passos, P.G.H.; Bérnils, R.S.; Sawaya, R.J.; Guedes da Costa, T.B. (2021). "Oxyrhopus formosus". IUCN Red List of Threatened Species. 2021: e.T15179473A15179483. Retrieved 2 December 2021.
^ abCite error: The named reference RDB was invoked but never defined (see the help page).
^Wallach, Van; Williams, Kenneth L.; Boundy, Jeff (2014-04-22). Snakes of the World: A Catalogue of Living and Extinct Species. CRC Press. pp. 518–. ISBN 9781482208474. Retrieved 22 October 2014.
^MacCulloch, R.D.; A. Lathrop; P.J.R. Kok; R. Ernst; M. Kalamandeen (2009). "The genus Oxyrhopus (Serpentes: Dipsadidae: Xenodontinae) in Guyana: morphology, distributions and comments on taxonomy". Papéis Avulsos de Zoologia. 49 (36): 487–495. doi:10.1590/S0031-10492009003600001.
Oxyrhopusformosus (vernacular names: beautiful calico snake, Formosa false coral snake) is a neotropical snake of the family Dipsadidae. Its distribution...
Guiana, and Venezuela. It is often confused with Oxyrhopusformosus, a Brazilian species. Oxyrhopus occipitalis is more slender, the snout is yellow and...
throughout Oxyrhopusformosus Yellow-headed Calico Snake East of Andes Oxyrhopus leucomelas Werner's False Coral Snake East slope of East Andes Oxyrhopus melanogenys...