boat-tailed grackle

[boht-teyld] /ˈboʊtˌteɪld/
noun
1.
a large grackle, Quiscalus major, of the southeastern U.S., that folds its tail into a shape resembling the keel of a boat.
Origin
1830-40, Americanism
Examples from the web for boat-tailed grackle
  • The boat-tailed grackle and fish crow are the only non-aquatic species found regularly on intertidal flats.