> the big thing was the jumping itself, which does not require complex bird anatomy necessarily No, this is exactly the opposite. The jumping requires exactly

> the big thing was the jumping itself, which does not require complex bird anatomy necessarily No, this is exactly the opposite. The jumping requires exactly this specific anatomy for so many reasons. It stores energy in the joints, it has a specific balance, the jumping works at multiple angles, etc, etc. You can’t do better than that for this specific purpose.