Category Nuances matching wildfowl:

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

Members for simple category wildfowl:

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