Modifiers matching waterfowl:

• wild,
• migratory,
• flying,
• varied,
• seasonal,
• indigenous,
• healthy,
• large,
• dead,
• colorful,
• abundant,
• resident,
• breeding,
• smaller,
• rare,
• piscivorous,
• common,
• interesting,
• marine,
• native,
• threatened,
• beautiful,
• local,

Simple categories matching migratory:

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