Photo 1120592, (c) Nicolas Olejnik, some rights reserved (CC BY-NC), uploaded by Nicolas Olejnik

Attribution © Nicolas Olejnik some rights reserved Uploaded by nicoolejnik Source ArgentiNat Associated observations Photos / Sounds What Black-backed Water-Tyrant (Fluvicola albiventer) Observer nicoolejnik Date March 20, 2011 Place Esteros del Ibera (Google, OSM) Date Added September 17, 2014 10:54 PM -03 4 IDs Research Grade View Sizes small medium large original