Reposted by Claire Burr
The origin of the wishbone in birds and other theropod dinosaurs is debated: did it evolve from the clavicles (collarbones) or a bone called the interclavicle? A new study on bird embryos suggests the answer is... both! www.science.org/doi/10.1126/... 🪶🧪 (📷Jiménez-Villalón et al.)
