Modifiers matching wildfowl:

• aquatic,
• migratory,
• plus,
• ornamental,
• breeding,
• dead,
• herbivorous,
• resident,

Simple categories matching dead:

• animal,
• bird,
• raptor,
• meat,
• livestock,
• material,
• thing,
• timber,
• tissue,
• creature,
• people,
• area,
• matter,
• ballad,
• fish,
• hardwood,
• mammal,
• prey,
• protein,
• food,
• cover,
• metal,
• annual,
• activity,
• varmint,
• wood,
• songbird,
• bait,
• waterfowl,
• plant,
• insect,
• organism,
• vegetation,
• stuff,
• wildfowl,
• object,
• time,
• ungulate,
• fur,
• planet,
• substance,
• structure,
• skin,
• critter,
• cell,
• surface,
• medium,
• form,
• microorganism,
• game,
• host,
• device,
• monster,
• tree,
• part,
• pet,
• component,
• cavity,
• space,
• fuel,
• quarry,
• vertebrate,