Modifiers matching bird:

• wild,
• edible,
• unique,
• colonial,
• small,
• good,
• injured,
• out,
• bodied,
• large,
• arctic,
• larger,
• unwanted,
• smaller,
• medium,
• indigenous,
• higher,
• suburban,
• polar,
• threatened,
• australian,
• omnivorous,
• immature,
• sized,
• real,
• terrestrial,
• flightless,
• domesticated,
• japanese,
• exotic,
• foreign,
• skinned,
• migratory,
• soaring,
• transitory,
• sedentary,
• black,
• white,
• nonmigratory,
• abundant,
• piscivorous,
• popular,
• interesting,
• finicky,
• curious,
• undecomposed,
• local,
• invasive,
• insectivorous,
• tropical,
• desired,
• level,
• common,
• seasonal,
• african,
• dependant,
• roasted,
• domestic,
• predatory,
• everyday,
• strong,
• feral,
• pelagic,
• walking,
• basal,
• size,
• maritime,
• sick,
• raised,
• samoan,
• american,
• cute,
• fierce,
• cuban,
• clean,
• kosher,
• dominant,
• herbivorous,
• typical,
• estuarine,
• flying,
• agile,
• whole,
• jurassic,
• young,
• heavier,
• mimic,
• vibrant,
• aggressive,
• nonnative,
• interior,
• moving,
• mobile,
• migrant,
• noxious,
• coastal,
• tiny,
• raptorial,
• big,
• susceptible,
• unusual,
• antarctic,
• hollow,
• tall,
• captive,
• important,
• colombian,
• outdoor,
• high,
• lower,
• rich,
• auspicious,
• modern,
• precocial,
• indoor,
• dark,
• off,
• gregarious,
• colourful,
• harmless,
• visible,
• social,
• amazing,
• english,
• lightweight,
• world,
• distinctive,
• passive,
• canadian,
• colorful,
• inconspicuous,
• handsome,
• home,
• bigger,
• bully,
• parrotlike,
• weaker,
• riparian,
• extinct,
• spectacular,
• british,
• plain,
• montane,
• carnivorous,
• unclean,
• highland,
• noisier,
• primitive,
• diurnal,
• beautiful,
• fabulous,
• upland,
• endemic,
• beaked,
• nocturnal,
• flighted,
• familiar,
• intelligent,
• primordial,
• breeding,
• free,
• stuffed,
• majestic,
• frozen,
• gallinaceous,
• magnificent,
• fantastic,
• elusive,
• heavy,
• undesirable,
• symbolic,
• useful,
• himalayan,
• rare,
• urban,
• evil,
• resident,
• regular,
• diverse,
• european,
• pink,
• native,
• altricial,
• northern,
• passerine,
• fast,
• marine,
• oceangoing,
• special,
• dead,
• powerful,

Simple categories matching polar:

• reagent,
• region,
• compound,
• contamination,
• group,
• bird,
• elastomer,
• residue,
• substance,
• impurity,
• organism,
• fluid,
• solvent,
• lubricant,
• diluent,
• liquid,
• surface,
• intermediate,
• bond,
• component,
• reactant,
• volatile,
• material,
• sorbent,
• ligand,
• resin,
• fauna,
• substrate,
• solid,
• fraction,
• molecule,
• metabolite,
• activator,
• macromolecule,
• constituent,
• portion,
• unit,
• gas,
• contaminant,
• rubber,
• insulator,
• oil,
• moiety,
• mammal,
• particle,
• nutrient,
• solute,
• hormone,
• metal,
• atom,
• lipid,
• monomer,
• derivative,
• adhesive,
• pesticide,
• dielectric,
• radical,
• animal,
• plastic,
• fiber,
• chemical,
• polymer,
• medium,
• protein,
• base,
• drug,
• structure,