We invite you to attend the Ornithological Congress of the Americas in Puerto Iguazú, Argentina, 8–11 August, 2017. In the heart of the interior Atlantic Forest, Puerto Iguazú is the portal to the Iguazú Falls, one of the world’s Seven Natural Wonders. Puerto Iguazú and neighboring regions of Paraguay and Brazil have many scenic attractions and natural areas like Iguazú National Park, with over 500 bird species including many Atlantic Forest endemics. This meeting is organized by the Association of Field Ornithologists, Sociedade Brasileira de Ornitologia, and Aves Argentinas and promises to be an outstanding experience for students and researchers. The congress will feature workshops, symposia, over 350 scientific presentations, 7 internationally renowned plenary speakers, and a celebration of the first 100 years of Aves Arentinas! Registration is now open. The deadline for workshops and symposia proposals, and travel and presentation awards is 15 May. Abstract submission and early bird registration end on 30 May. See our website for details -- hope to see you there!