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H. F.  Greeney, Miller, E. T., and Gelis, R. A., ?Observations on parental care and fledging of Watkins?s Antpitta (Grallaria watkinsi)?, Ornitolog{\'?a Neotropical, vol. 20, pp. 619-622, 2009.

H. F.  Greeney, Romero, H. M., Simbaña, J., Gelis, R. A., Durán, F., and Solano-Uglade, A., ?First nests of the Wattled Guan Aburria aburri?, Bulletin of the Cracid Specialists? Group, vol. 27, pp. 20-26, 2009.