How Big is a Whooping Crane? Whooping cranes are the tallest birds in North America. Adults are FIVE FEET tall! Baby chicks grow fast. They can grow one-half to one inch per day. Photo Wayne Kryduba Whooping cranes have a wide wingspan. How wide? EIGHT FEET! Photo Heather Ray, Operation Migration Try This! Journal Question/Activity • Use numbers and measurements to compare your height and arm span to a Whooping crane's height and wingspan. Imagine how big you'd be now if you grew as fast as a baby whooper! • Draw a life-size Whooping crane with our instructions and handouts.   Facebook Pinterest Twitter © 1997 – 2019 Journey North. All rights reserved.