Synonyms for Redstart (same or very similar meaning)
WordNet sense 1 (flycatching warbler of eastern North America the male having bright orange on sides and wings and tail):
American redstart, Setophaga ruticillaWordNet sense 2 (European songbird with a reddish breast and tail; related to Old World robins):
redtailFrom the ODE community, based on WordNetadd/edit