Olive Oropendola Psarocolius bifasciatus Scientific name definitions

Harold F. Greeney
Version: 2.0 — Published June 10, 2022

Priorities for Future Research


Like most neotropical birds, the Olive Oropendola remains poorly studied in nearly all aspects of its behavior, ecology, and natural history. Within the realm of taxonomy and genetics, a useful line of investigation would be to explore the nature of the morphologically intermediate subspecies, neivae, and its validity as a taxonomic unit rather than simply a hybrid swarm occurring at the distributional overlap of subspecies bifasciata and yuracares. Similarly, the range limits of of all three taxa are in need of clarification, most notably in central Brazil (Mato Grosso) where the ranges of neivae and yuracares presumably come into contact. Despite several fascinating descriptions of adult behaviors in and around nesting colonies (192, 5), their breeding biology remains poorly described. A detailed, quantified description of nest architecture is still needed, as well as a description of the eggs.

Recommended Citation

Greeney, H. F. (2022). Olive Oropendola (Psarocolius bifasciatus), version 2.0. In Birds of the World (B. K. Keeney, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.olioro1.02