John R. K. Clark, Beaches of the Big Island, University of Hawaii Press, 1985, , p.118 The 12 acres of wetland provide one of the last remaining nesting grounds of the āeokinao (Hawaiian stilt, Himantopus mexicanus knudseni), the okinaalae keokinaokeokinao (Hawaiian coot, Fulica alai), and the only known breeding area for the okinaaukuokinau (black-crowned night heron, Nycticorax nycticorax hoactli) in Hawaii.