Modifiers matching waterbird:

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

Simple categories matching plus:

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