Attributes / relations provided by
♦ 1American Coot Nesting and Feeding Habits in Southeastern Washington, R. E. Fitzner, E. T. Sipco, R. G. Schreckhise, Northwest Science Vol. 54, No. 4, 1980, p. 244-252
♦ 2del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.).
Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.