Modifiers matching shorebird:

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

Simple categories matching migratory:

• wildfowl,
• bird,
• fish,
• pollinator,
• pest,
• feature,
• species,
• creature,
• waterbird,
• orthopteran,
• seabird,
• predator,
• activity,
• waterfowl,
• animal,
• clupeid,
• prey,
• shorebird,
• finch,
• shark,
• songbird,
• host,
• bat,
• giant,
• mammal,
• cell,
• crustacean,
• insect,
• goose,
• vertebrate,
• organism,
• herbivore,
• beast,
• ungulate,