A collective noun for Cranes is a sedge, a flock. Other collective nouns for Cranes include a siege and a herd. The term ‘sedge’ is derived from the Old English word ‘secg’, which means ‘sword’, and ‘flock’ is derived from the Old English word ‘flocc’, which means ‘a group of birds’. This is likely due to the long, thin shape of a Crane’s neck, which resembles a sword, and the fact that Cranes often travel in large groups.
