Quetzalcoatl, the “Feathered Serpent” or “Plumed Serpent” is one of the most iconic deities of the Mesoamerican pantheon. Sahagun also records a far more mundane creature by the same name.
The quetzalcoatl is found in the province of Totonacapan (Guatemala) and is the size of a medium water-snake. It is covered with feathers just like those of the quetzal bird. There are tzinitzcan, small light green feathers, on its neck, red feathers on its breast, and blue feathers on the tail and rings (coils?).
This snake is rarely seen, and when it does it flies and bites the person seeing it. Its bite is deadly and kills instantly, killing both it and its victim, for it exhales its venom and its life in one go.
References
Nuttall, Z. (1895) A Note on Ancient Mexican Folk-lore. The Journal of American Folklore, v. 8, no. 29, pp. 117-129.
Sahagun, B.; Jourdanet, D. and Siméon, R. trans. (1880) Histoire Générale des Choses de la Nouvelle-Espagne. G. Masson, Paris.
A Book of Creatures 
But why waste its life killing one person?
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Calculated risk
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What if it’s a eusocial species, and the deity Quetzalcoatl is their hive queen?
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The world may never know
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Sting like a bee!
I know about Quetzalcoatl, but not that there’s more than one feathered snake in mesoamerican myth.
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Speaking of Latin American serpents, pretty please can we see the nguruvilu?
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wow for the first time. A Quetzalcoatl that looks like a baby.
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Smolcoatl
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Glad to see this still updating.
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I try
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Quetzalcóatl is an Aztec myth (center of México), Kukulcán is the Maya version (south México).
(Just some pointers, not trying to be rude)
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Not at all, you’re absolutely right! I just wanted to stick to what is a creature, not a god, and afaik only the quetzalcoatl has that
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