Psilopterus sp. nov. 'Uruguay'

Uruguayan terror bird

 

 

Taxonomy & Nomenclature

 

 

Conservation Status

Extinct

Last record: Late Pleistocene

 

Distribution & Habitat

Uruguay

 

Biology & Ecology

 

 

Hypodigm

 

 

Media

 

 

References

Alvarenga, Herculano et al. (2010). The youngest record of phorusrhacid birds (Aves, Phorusrhacidae) from the late Pleistocene of Uruguay. N. Jb. Geol. Paläont. Abh. 256(2): 229-234.

Degrange, Federico J., Tambussi, Claudia P. and Witmer, Lawrence M. (2025). Reversing the Trend: The Evolution of Cranial Akinesis in the Terror Birds (Cariamiformes, Phorusrhacidae). Fossil Studies 3(3): 12. https://doi.org/10.3390/fossils3030012

Faurby, Søren, Matthews, Tom J., Triantis, Kostas A. and Sayol, Ferran. (2026). Quantifying the unrecorded loss of avian phylogenetic diversity. Ecography 2026: e08267. https://doi.org/10.1002/ecog.08267

Jones, Washington et al. (2017). The last terror birds (Aves, Phorusrhacidae): new evidence from the late Pleistocene of Uruguay. PalZ. https://doi.org/10.1007/s12542-017-0388-y [Abstract]

Matthews, Thomas J., Triantis, Kostas A., Wayman, Joseph P., Martin, Thomas E., Hume, Julian P., Cardoso, Pedro, Faurby, Søren, Mendenhall, Chase D., Dufour, Paul, Rigal, François, Cooke, Rob, Whittaker, Robert J., Pigot, Alex L., Thébaud, Christophe, Jørgensen, Maria Wagner, Benavides, Eva, Soares, Filipa C., Ulrich, Werner, Kubota, Yasuhiro, Sadler, Jon P., Tobias, Joseph A. and Sayol, Ferran. (2024). The global loss of avian functional and phylogenetic diversity from anthropogenic extinctions. Science 386(6717): 55-60. https://doi.org/10.1126/science.adk7898 [Supplementary Materials; Dryad dataset; Zenodo codeset]

Matthews, Thomas J., Wayman, Joseph P., Cardoso, Pedro, Sayol, Ferran, Hume, Julian P., Ulrich, Werner, Tobias, Joseph A., Soares, Filipa C., Thébaud, Christophe, Martin, Thomas E. and Triantis, Kostas A. (2022). Threatened and extinct island endemic birds of the world: Distribution, threats and functional diversity. Journal of Biogeography 49(11): 1920-1940. https://doi.org/10.1111/jbi.14474 [Appendix S1 (.docx); Appendix S2 (.pdf)]

Sayol, Ferran, Steinbauer, Manuel J., Blackburn, Tim M.,  Antonelli, Alexandre and Faurby, Søren. (2020). Anthropogenic extinctions conceal widespread evolution of flightlessness in birds. Science Advances 6(49): eabb6095. https://doi.org/10.1126/sciadv.abb6095 [Supplementary Material (Data File S1)]

 

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