Furcula
![This stylised bird skeleton highlights the furcula](/Images/godic/202501/14/Furcula5345.png")
![Wishbone of a chicken](/Images/godic/202501/14/Furcula5345.jpg")
The furcula ("little fork" in Latin) or wishbone is a forked bone found in birds and some other dinosaurs, and is formed by the fusion of the two clavicles. In birds, its primary function is in the strengthening of the thoracic skeleton to withstand the rigors of flight.