The furcula, commonly known as the wishbone, is formed by the fusion of two collarbones at the sternum. In birds, this bone plays a vital role in flight mechanics — acting as both a connecting point for powerful flight muscles and a flexible spring that stores and releases energy during wing beats. (Ever try to snap a wishbone before it’s dried?)
Once thought to be unique to birds, paleontologists have discovered that the furcula actually dates back to two-legged, meat-eating dinosaurs such as Tyrannosaurus rex and Velociraptor. While these dinosaurs didn’t fly, their furcula likely served as a strong structural support as they held onto their prey.
This high-quality replica cast measures 15 inches along the curve and captures the detailed structure of this iconic bone — a fascinating link between dinosaurs and modern birds.
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