Modifiers matching wildfowl:

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

Simple categories matching aquatic:

• food,
• rodent,
• animal,
• arthropod,
• organism,
• mussel,
• amphibian,
• creature,
• recreation,
• device,
• pet,
• organization,
• invertebrate,
• tetrapod,
• insect,
• facility,
• ecosystem,
• prey,
• poultry,
• fauna,
• meat,
• turtle,
• monster,
• show,
• taxon,
• medium,
• predator,
• installation,
• amniote,
• game,
• frog,
• structure,
• activity,
• dinosaur,
• event,
• weed,
• use,
• industry,
• biota,
• inhabitant,
• wildfowl,
• farming,
• plant,
• host,
• dipteran,
• salamander,
• pursuit,
• system,
• endeavor,
• pest,
• vegetable,
• critter,
• occupation,
• ectotherm,
• adult,
• source,
• sport,
• sportsman,
• pathogen,
• pastime,
• vertebrate,
• skill,
• microorganism,
• bacteria,
• lure,
• crustacean,
• friend,
• larva,
• assailant,
• mollusc,
• carnivore,
• group,
• genus,
• population,
• herbivore,
• bivalve,
• reptile,
• bug,
• parasite,
• science,
• vegetation,
• toxicology,
• weeds,
• snail,
• area,
• growth,
• species,
• product,