Weighing
We secure the crane using a wrap. This crane is YAY. Then we hook the wrap to a spring scale and record the crane's weight. (See names below the photo.)

Weighing a captured Whooping crane
Marty Folk (Florida Fish and Wildlife Conservation Commission), Dr. Felipe Chavez-Ramirez (The Crane Trust), Dr. Barry Hartup (International Crane Foundation). In the back is Dave Brandt (USGS Northern Prairie Wildlife Research Center).