Modifiers matching waterbird:

• size,
• majestic,
• large,
• feral,
• larger,
• higher,
• migratory,
• small,
• beautiful,
• common,
• breeding,
• migrant,
• wild,
• coastal,
• rare,
• herbivorous,
• threatened,
• plus,
• colonial,

Simple categories matching plus:

• ride,
• wildfowl,
• event,
• instrument,
• waterbird,