“He must have fled from the colossal owl Brachycneme [sic], standing five to six feet from beak to claw! The closely related Heptasteornis was nearly as large”. Full story at Tetrapod Zoology... https://tetzoo.com/blog/2025/1/2/heptasteornis-my-beloved
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Both of them helped to shape my love of dinosaurs and paleontology as a whole when I was a kid.