Fossils of Giant Carnivorous Birds Found in Argentina, SciNews
The paper is:
Cenizo, M., Noriega, J.I., Vezzosi, R.I., Tassara, D. and Tomassini,
R., 2021. First Pleistocene South American Teratornithidae (Aves):
new insights into the late evolutionary history of teratorns.
Journal of Vertebrate Paleontology, p.e1927064.
Yours,
Paul H,