Kalmar "Notornis" tana nufin jinsin tsuntsaye marasa tashi daga New Zealand, wanda aka fi sani da "takahē." Waɗannan tsuntsayen sun shahara saboda launin shuɗi mai haske, ƙaƙƙarfan gini, da tarihin juyin halitta na musamman. Sunan "Notornis" ya samo asali ne daga kalmomin Helenanci "notos" (ma'anar "iska ta kudu") da "ornis" (ma'anar "tsuntsaye"), yana nuna asalin kudancin waɗannan tsuntsaye.