The Guianan Toucanet (Selenidera culik) is a species of bird in the Ramphastidae family. Pacheco & Whitney (2006) suggested the correct scientific name was Selenidera piperivora, but, as shown by Walters (2007), this name is pre-occupied. It is found in north-western Brazil, French Guiana, Guyana, Suriname, and Venezuela. Its natural habitat is tropical humid lowland forests.

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