Modifiers matching bird:

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

Simple categories matching nocturnal:

• varmint,
• inhabitant,
• activity,
• creature,
• animal,
• insect,
• song,
• crustacean,
• fauna,
• predator,
• mammal,
• lizard,
• denizen,
• behavior,
• carnivore,
• movement,
• gecko,
• bird,
• pest,
• lepidopteran,
• disturbance,
• amphibian,
• organism,
• lemur,
• scavenger,
• reptile,
• marsupial,
• pollinator,
• insectivore,
• feeder,
• fish,
• critter,
• bug,
• rodent,
• raptor,
• prey,
• form,
• invertebrate,
• cat,
• snake,
• species,