Modifiers matching shorebird:

• small,
• marine,
• migratory,
• coastal,
• smaller,
• larger,
• breeding,
• migrant,
• modern,

Simple categories matching breeding:

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