Modifiers matching waterbird:

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

Simple categories matching breeding:

• animal,
• bird,
• farm,
• vertebrate,
• organization,
• information,
• livestock,
• duck,
• pet,
• method,
• cattle,
• system,
• trait,
• seabird,
• waterfowl,
• shorebird,
• season,
• waterbird,
• structure,
• creature,
• characteristic,
• songbird,
• facility,
• news,
• mammal,
• passerine,
• antelope,
• rodent,
• predator,
• wildfowl,
• raptor,
• warbler,
• poultry,