Relating to or belonging to the Estrildidae family of finches, a group of small songbirds native to Africa, Asia, and Australia.
From the genus name 'Estrilda' (referring to waxbills), with the suffix '-ine' meaning 'of or relating to'. The genus name itself comes from a Greek or invented taxonomic term.
Estrildine finches are also called waxbills, and they have beaks that look like they've been dipped in colored wax—which is where their common name comes from.
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