Unpublished data reported in this account was supplied by G. Buitrón-Jorado and collected by the author during a larger project at Tiputini Biodiversity Station. I thank B. Loiselle, J. Blake, C. de Romo, and the staff of Tiputini Biodiversity Station for their assistance and support. I thank J. Blake for reviewing and commenting on an earlier draft of this account. Financial support was provided by the University of Arkansas Graduate School and the Arkansas Audubon Society Trust. Field work was conducted in accordance with permit number 008-DPO-MA from the Ecuador Ministerio del Ambiente.