In Depth Devincenzia was one of the larger terror birds but was still more gracile than some such as Brontornis. This implies that Devincenzia would have had a greater reliance upon speed and agility while hunting. Actually attacks upon prey may have been a series of heavy downward blows from its beak onto the head … Read more
In Depth Although not certain, Kelenken is a strong contender for the tallest ‘terror bird’ (phorusrhacid) known. This has seen Kelenken firmly placed within the Phorusrhacinae sub group of terror birds, and its remains suggest that it had a more gracile build when compared to the Brontornithinae group that contains large but more robust members … Read more
In Depth Paleopsilopterus is one of the smallest and by far earliest of the terror birds with fossils dating back as far as sixty million years ago. In a world that had seen the disappearance of the dinosaurs under five million years before its existence, Paleopsilopterus thrived and was likely the form that would go … Read more