vociferus
Vociferus is a Latin adjective meaning loud-voiced or vociferous, derived from a root related to voice. In English-language scholarship it is most often encountered as a descriptive epithet rather than a standalone term, used to signify conspicuous vocal behavior or noisy characteristics in a species or group.
In biological nomenclature vociferus appears as a species epithet within several genera. It is not a taxon
Beyond taxonomy, vociferus occurs in literary or rhetorical contexts as a descriptive loanword for something clamorous