nigrirostris

== Latin == === Etymology === From niger (“black”) +‎ rōstrum (“beak”). === Adjective === nigrirōstris (neuter nigrirōstre); third-declension two-termination adjective Used as a specific epithet; having a black beak. ==== Usage notes ==== Used exclusively as a taxonomic epithet and thus normally in the nominative singular; other inflections may be theoretical or rarely found. ==== Declension ==== Third-declension two-termination adjective.