1. Common Old World swan noted for its whooping call
   "Whooper swans can be heard calling across the winter wetlands";
   - whooper swan, Cygnus cygnus
    
2. Rare North American crane having black-and-white plumage and a trumpeting call
   "Conservation efforts have helped protect the remaining whoopers";
   - whooping crane, Grus americana

Sounds like: hooper

Derived forms: whoopers

Type of: crane, swan

Part of: Cygnus, genus Cygnus, genus Grus, Grus

Encyclopedia: Whooper