toztli.

Headword: 
toztli.
Principal English Translation: 

Yellow-headed Amazon parrot, adult (a bird -- see Hunn, attestations)

See the hieroglyph for yellow parrot in the Codex Mendoza.
Published in the Visual Lexicon of Aztec Hieroglyphs, ed. Stephanie Wood (Eugene, Ore.: Wired Humanities, 2020-). https://aztecglyphs.wired-humanities.org/content/toztli-mdz46r

And a painting of a toztli in the Florentine Codex:
Available at Digital Florentine Codex/Códice Florentino Digital, edited by Kim N. Richter and Alicia Maria Houtrouw, "Book 11: Earthly Things", fol. 23r, Getty Research Institute, 2023. https://florentinecodex.getty.edu/en/book/11/folio/23r/images/0 Accessed 16 October 2025.

Attestations from sources in English: 

TOZ-TLI, Yellow-headed Amazon, adult (Amazona oratrix) [FC: 23 Toztli]: “When the young yellow-headed parrot is already developed, it turns yellow, it becomes very yellow. It develops fluffy feathers. When completely feathered, then it is called toztli.
Fr. Bernardino ]de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 11 – Earthly Things, no. 14, Part XII, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1963); and, with quotation selections, synthesis, and analysis here also appearing in E. S. Hunn, "The Aztec Fascination with Birds: Deciphering Sixteenth-Century Sources," unpublished manuscript, 2022, cited here with permission.

oc ceppa iuhqujn tipiltzintli timuchioa in titoztli, tichalchivitl, titeuxivitl = Once again thou becomest as a baby. Thou becomest, thou art hatched a young parrot, a precious green stone, a precious turquoise (central Mexico, sixteenth century)
Fr. Bernardino de Sahagún, Florentine Codex: General History of the Things of New Spain; Book 6 -- Rhetoric and Moral Philosophy, No. 14, Part 7, eds. and transl. Arthur J. O. Anderson and Charles E. Dibble (Santa Fe and Salt Lake City: School of American Research and the University of Utah, 1961), 32.

See also: