1. The whooping crane is an endangered waterfowl in North America.
   True False

2. For the last twenty years, scientists have successfully taught whooping cranes raised in captivity how to migrate.
   True False

3. To help prepare young cranes for release, their human caregivers wore crane-colored costumes.
   True False

4. The scientists experimented with sandhill cranes to see if these birds would follow an ultralight aircraft.
   True False

5. The experiment with the sandhill cranes failed because the birds had to follow the aircraft back to Ontario.
   True False