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Search Issues: Update 2026-09-16 - Repairs to some of our search pages are ongoing. Thank you for your continued patience!
Meanwhile, elements of the Advanced Search are working and the Alphabetical Listings are working, too.
Slender-billed Grackle, a bird (see Hunn, attestations)
TZANA-TL, Slender-billed Grackle (Quiscalus palustris) [FC: 50 Tzanatl]: “It is black. Its bill is curved. It is a well-textured [black].” This is the Slender-billed Grackle, not seen in its highly localized Central Mexican highland marshland habitat for the past 100 years and likely extinct, as its marsh habitat was drained. See also TEO-TZANA-TL, the Great-tailed Grackle (Quiscalus mexicanus).