Discovery of Kank australis: A 70-Million-Year-Old Dinosaur That Fished Like a Heron
This 70-Million-Year-Old Dinosaur Looked Like a Raptor, but May Have Fished Like a Heron

Image: Discover Magazine
Kank australis, a newly identified dinosaur from southern Patagonia, lived 70 million years ago and is believed to have hunted fish like a heron rather than as a typical raptor. This discovery challenges existing perceptions of raptors and highlights the diverse ecosystems of ancient Patagonia.
- 01Kank australis belonged to the unenlagiids, a family of small-to-medium theropod dinosaurs.
- 02Its specialized neck vertebrae resemble those of modern herons, suggesting it was an active fisher.
- 03Fossils found alongside fish indicate that Kank likely included fish in its diet, alongside frogs and turtles.
- 04The name Kank is derived from Aonikenk mythology, linking the dinosaur to the Southern Cross constellation.
- 05Kank's discovery connects northern and southern Patagonia's fossil records, enhancing our understanding of dinosaur diversity.
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Kank australis, a newly described dinosaur from southern Patagonia, lived approximately 70 million years ago and presents a unique deviation from traditional raptor behavior. Unlike its relatives, which are often depicted as agile terrestrial predators, Kank is believed to have hunted fish, akin to modern herons. This conclusion is supported by its specialized neck vertebrae, which are similar to those found in birds that strike at water. The discovery, published in the Journal of Vertebrate Paleontology, was made possible by the recovery of a neck vertebra in 2024, which allowed researchers to identify it as a new species. Fossils of Kank were found alongside fish remains, indicating that fish were likely a primary food source, with frogs, lizards, and turtles also possibly on the menu. The name Kank is derived from Aonikenk mythology, and its discovery bridges the fossil records of northern and southern Patagonia, revealing the rich biodiversity of ancient ecosystems.
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The discovery of Kank australis enhances our understanding of the biodiversity and ecological dynamics of ancient Patagonia.
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