In recent years there has been a program to create a non-migratory flock in Florida, and efforts are underway to establish a breeding population in the western Great Lakes Region. The call, a deep, trumpet-like ker-loo, can be heard for more than a mile.
They breed on prairies with ponds and wetlands and winter in coastal marshes. Throughout the year they feed on small animals and plant seeds. The greatest threat at the moment seems to be collisions with power lines during migration.
Listen to a Whooping Crane: