Modifiers matching feeder:

• external,
• visual,
• airborne,
• volumetric,
• benthic,
• big,
• diurnal,
• nocturnal,
• insectivorous,
• larger,
• destructive,
• omnivorous,
• opportunistic,
• deliberate,
• aggressive,
• planktonic,
• predatory,
• vibratory,
• size,
• trophic,
• level,
• top,
• random,
• animal,
• unwanted,
• mechanical,
• peaceful,

Simple categories matching airborne:

• sound,
• trauma,
• contaminant,
• particle,
• platform,
• microorganism,
• germ,
• contagion,
• vehicle,
• disease,
• matter,
• insect,
• substance,
• vessel,
• prey,
• virus,
• abrasive,
• debris,
• constituent,
• armament,
• hydrocarbon,
• allergen,
• infection,
• contamination,
• pollutant,
• medium,
• craft,
• component,
• impurity,
• animal,
• waste,
• pm,
• image,
• particulate,
• device,
• organism,
• item,
• event,
• sensor,
• pollution,
• agent,
• unit,
• aldehyde,
• thing,
• chemical,
• conveyance,
• system,
• creature,
• condition,
• feeder,
• dust,
• compound,
• aerosol,
• hazard,
• object,
• seed,
• illness,
• pathogen,
• fiber,
• material,
• metal,
• gas,
• predator,
• bacteria,
• toy,
• bug,
• pest,