Category Nuances matching wildfowl:

• dead,
• resident,
• breeding,
• plus,
• ornamental,
• herbivorous,
• aquatic,
• migratory,

Members for simple category wildfowl:

• mallard_duck,
• goose,
• brent_goose,
• wild_duck,
• duck,
• tufted_duck,
• egyptian_goose,