sun bittern definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a tropical American wading bird (Eurypyga helias) of a gruiform family (Eurypygidae) having only one species, with a slim body and long neck
sun bittern definition by American Heritage Dictionary
A cranelike tropical American bird (Eurypyga helias), having mottled brownish plumage and often spreading its wings and tail in a showy display.