1. toco toucan (Ramphastos toco)
2. channel-billed toucan (Ramphastos vitellinus)
3. white-throated toucan (Ramphastos tucanus)
4. Red-billed toucan (Ramphastos tucanus tucanus)
5. yellow-throated toucan (Ramphastos ambiguus)

Description
Title: Edinburgh journal of natural history and of the physical sciences
Identifier: edinburghjournal02macg (find matches)
Year: 1835 (1830s)
Authors: Macgillivray, William, 1796-1852, ed; Cuvier, Georges, baron, 1769-1832. Animal kingdom of the Baron Cuvier adapted to the present state of zoological science
Date 1839
Source https://www.flickr.com/photos/internetarchivebookimages/21173936461/
Source book page: https://archive.org/stream/edinburghjournal02macg/#page/n182/mode/1up
Author Macgillivray, William, 1796-1852, ed; Cuvier, Georges, baron, 1769-1832. Animal kingdom of the Baron Cuvier adapted to the present state of zoological science
Source: https://commons.wikimedia.org/wiki/File:Edinburgh_journal_of_natural_history_and_of_the_physical_sciences_(1839)_(21173936461).jpg

Ramphastos is a genus of toucans, tropical and subtropical near passerine birds from Mexico, and Central and South America, which are brightly marked and have enormous, often colourful, bills.
-- Green-billed toucan (Ramphastos dicolorus)
-- Channel-billed toucan (Ramphastos vitellinus)
-- Citron-throated toucan (Ramphastos citreolaemus)
-- Choco toucan (Ramphastos brevis)
-- Keel-billed toucan (Ramphastos sulfuratus)
-- Toco toucan (Ramphastos toco)
-- White-throated toucan (Ramphastos tucanus)
-- Yellow-throated toucan (Ramphastos ambiguus)