Category Nuances for bird:

• complicated,
• unwanted,
• carnivorous,
• small,
• smaller,
• amazing,
• threatened,
• advanced,
• destructive,
• larger,
• wild,
• ruminant,
• intermediate,
• flying,
• asian,
• extinct,
• terrestrial,
• oceanic,
• invasive,
• semiaquatic,
• lower,
• functional,
• quick,
• foreign,
• harmful,
• exotic,
• beneficial,
• delicate,
• natural,
• fabulous,
• oviparous,
• japanese,
• special,
• large,
• magical,
• unique,
• bony,
• size,
• vocal,
• off,
• recognizable,
• unusual,
• invertebrate,
• multicellular,
• general,
• supplemental,
• mundane,
• earthly,
• blooded,
• visual,
• raw,
• miscellaneous,
• microscopic,
• stray,
• popular,
• easier,
• woven,
• real,
• homing,
• bigger,
• taxonomical,
• nonruminant,
• good,
• intelligent,
• sensitive,
• arctic,
• riparian,
• stuffed,
• environmental,
• indigenous,
• sincere,
• whimsical,
• omnivorous,
• animated,
• big,
• diurnal,
• visible,
• diverse,
• top,
• scaled,
• hazardous,
• everyday,
• lucky,
• plastic,
• divine,
• concrete,
• little,
• animal,
• primitive,
• pretty,
• unsavoury,
• biological,
• docile,
• heavenly,
• outdoor,
• moving,
• domestic,
• fast,
• whole,
• wooden,
• symmetrical,
• alternative,
• simple,
• single,
• rare,
• several,
• midwestern,
• incredible,
• ordinary,
• innocuous,
• favourite,
• native,
• powerful,
• structural,
• useful,
• positive,
• model,
• furry,
• healthy,
• oriented,
• limited,
• important,
• additional,
• elusive,
• susceptible,
• dry,
• experimental,
• eukaryotic,
• detrimental,
• similar,
• individual,
• taxonomic,
• territorial,
• injured,
• trophic,
• aerodynamic,
• urban,
• traditional,
• distinct,
• available,
• conventional,
• broad,
• wonderful,
• social,
• orphaned,
• herbivorous,
• migratory,
• resident,
• free,
• virtual,
• lighter,
• dead,
• modern,
• macroscopic,
• dangerous,
• captive,
• expendable,
• primary,
• external,
• solitary,
• related,
• distant,
• sick,
• active,
• detailed,
• feral,
• isolated,
• auditory,
• young,
• colorful,
• pesky,
• hungry,
• common,
• familiar,
• uniform,
• raised,
• non-mythical,
• physical,
• vagile,
• major,
• nautical,
• bipinnate,
• meaningful,
• level,
• arboreal,
• main,
• respiratory,
• edible,
• airborne,
• cooperative,
• sweet,
• temporary,
• flighty,
• sticky,
• observable,
• sized,
• lovely,
• sacred,
• beautiful,
• nonhuman,
• antarctic,
• nocturnal,
• developed,
• out,
• hidden,
• undesirable,
• true,
• lively,
• black,
• amphibious,
• unfortunate,
• higher,
• extra,
• domesticated,
• extant,
• dynamic,
• inanimate,
• peaceful,
• cute,
• random,
• charismatic,
• particulate,
• soft,
• convex,
• final,
• favorite,
• scaly,
• minute,
• recognisable,
• particular,
• decorative,
• sentient,
• insectivorous,
• metal,
• interesting,
• swift,
• basic,
• european,
• bodied,
• medium,
• australian,
• animate,
• movable,
• lovable,
• mobile,
• tropical,
• cultural,
• key,
• younger,
• semiterrestrial,
• secondary,
• helpful,
• fine,
• white,
• local,
• sexual,
• aquatic,
• mechanical,
• mean,
• heavy,
• predatory,
• colourful,
• noxious,
• evolutionary,
• motile,
• tiny,
• fresh,
• opportunistic,
• pelagic,
• supernatural,
• agile,
• new,
• attractive,
• happy,
• agricultural,
• annoying,
• possible,
• marine,
• mammalian,
• indoor,
• independent,
• outside,
• transient,
• recreational,
• exciting,
• insignificant,
• definitive,
• graceful,
• warm,
• harmless,
• emergent,
• complex,
• breeding,
• fragile,
• mythical,
• potential,
• organic,
• interactive,

Simple Categories for bird:

• critter,
• predator,
• animal,
• formation,
• reptile,
• matter,
• vertebrate,
• pet,
• decoration,
• tetrapod,
• creation,
• amniote,
• object,
• style,
• eukaryote,
• prey,
• agent,
• sign,
• insectivore,
• leader,
• fauna,
• fowl,
• land,
• textile,
• herbivore,
• relative,
• vocalization,
• mammal,
• friend,
• food,
• cause,
• thing,
• organism,
• creature,
• communication,
• means,
• invertebrate,
• group,
• fish,
• part,
• opponent,
• meat,
• sphere,
• grouping,
• flora,
• item,
• biped,
• article,
• medium,
• equipment,
• attribute,
• communicator,
• signal,
• being,
• metazoan,
• user,
• denizen,
• inhabitant,
• native,
• carrier,
• plant,
• target,
• system,
• unit,
• pest,
• character,
• surface,
• chordate,
• set,
• souvenir,
• nature,
• host,
• artifact,
• entity,
• ornament,
• call,
• scavenger,
• toy,
• dweller,
• feeder,
• structure,
• commodity,
• substance,