Scientists have described a new species of raptor-like dinosaur, Kank australis, discovered in southern Patagonia, Argentina [1].
The discovery provides rare insight into the specialized hunting behaviors of Cretaceous predators. By analyzing the skeletal structure, researchers said this dinosaur occupied a unique ecological niche by targeting aquatic prey.
Kank australis lived approximately 70 million years ago during the late Cretaceous period [1]. While it shared the general appearance of other raptors, its anatomy suggests a departure from the typical terrestrial hunting methods of its relatives [2].
The dinosaur possessed an elongated and flexible neck supported by specialized vertebrae [1]. This physical adaptation indicates the animal could execute a rapid sideways strike to capture fish [3]. This hunting mode closely mirrors the technique used by modern herons to spear prey from the shoreline [2].
In addition to its flexible neck, the species featured sharp teeth designed for gripping slippery aquatic animals [3]. The combination of these traits suggests that Kank australis was an opportunistic predator capable of exploiting river and coastal environments in ancient South America [1].
The findings were announced this week, highlighting the biodiversity of the Patagonian region during the late Cretaceous [1]. Researchers said the fossil evidence was used to reconstruct the animal's posture, confirming that the neck's mobility was essential for its survival in a fish-rich environment [2].
“Kank australis lived approximately 70 million years ago”
The identification of Kank australis demonstrates that raptor-like dinosaurs were more ecologically diverse than previously thought. Rather than relying solely on land-based hunting, this species evolved specialized anatomical tools to compete in aquatic environments, suggesting a complex food web in late Cretaceous Patagonia.
