Konrad Wothe / Russet-backed oropendola (Psarocolius angustifrons) building a nest, Panguana Reserve, Huanuca Region, Peru.
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Tim Laman / Female Russet-backed Oropendula (Psarocolius angustifrons) building a nest at Napo Wildlife Center, Yasuni National Park, Orellana Province, Ecuador, July.