Patagornis

In Depth        Patagornis was the first of the Patagornithinae sub group of the phorusrhacid ‘terror birds’, and as such it was more intermediate in size. This would mean that Patagornis had no way near the size and strength of the larger members of the group, but they would have been much faster and more agile. … Read more

Andalgalornis

In Depth        Andalgalornis has a more gracile build than many other South American‭ ‘‬terror birds‭’‬ and this lightweight build is also reflected in the skull and beak.‭ ‬In depth analysis suggests that the beak was strongest when subjected to stresses from below rather than the sides.‭ ‬This meant that gripping and holding large prey was … Read more