Modifiers matching passerine:

• upland,
• small,
• breeding,
• european,
• exotic,
• interesting,
• passerine,
• smaller,
• migrant,
• insectivorous,

Simple categories matching interesting:

• competition,
• activity,
• thing,
• hybrid,
• site,
• issue,
• animal,
• phenomenon,
• parade,
• occupation,
• item,
• tonality,
• detail,
• product,
• topic,
• show,
• event,
• space,
• sum,
• happening,
• creature,
• quantity,
• individual,
• field,
• subject,
• object,
• work,
• oddity,
• process,
• weather,
• craft,
• move,
• container,
• dish,
• measurement,
• person,
• example,
• set,
• organism,
• memorabilia,
• marker,
• rule,
• pet,
• attribute,
• sport,
• book,
• formation,
• course,
• behaviour,
• material,
• hardware,
• toy,
• text,
• environment,
• initiative,
• place,
• service,
• life,
• trivia,
• surface,
• idea,
• concept,
• raptor,
• change,
• stone,
• sample,
• facility,
• charm,
• stuff,
• quality,
• speculation,
• piece,
• fact,
• label,
• business,
• point,
• coral,
• wine,
• content,
• picture,
• compound,
• development,
• plan,
• building,
• sound,
• database,
• design,
• paper,
• location,
• jewelry,
• assertion,
• meal,
• filling,
• world,
• reptile,
• passerine,
• mold,
• box,
• possibility,
• invertebrate,
• fruit,
• architecture,
• insect,
• structure,
• home,
• condition,
• function,
• control,
• people,
• neighborhood,
• medium,
• attraction,
• house,
• power,
• accessory,
• derivation,
• wall,
• aspect,
• neighbour,
• food,
• salt,
• job,
• souvenir,
• vegetable,
• track,
• game,
• fixture,
• necessity,
• landmark,
• section,
• action,
• project,
• case,
• choice,
• feature,
• data,
• morphology,
• embellishment,
• salad,
• fish,
• critter,
• discovery,
• aroma,
• entree,
• precinct,
• option,
• entity,
• wildflower,
• weapon,
• ways,
• peptide,
• fauna,
• cat,
• fibre,
• cell,
• variation,
• article,
• information,
• waterfowl,
• situation,
• factoid,
• area,
• phase,
• odour,
• extra,
• illustration,
• shape,
• martini,
• beetle,
• widget,
• dressing,
• diving,
• museum,
• fold,
• occurrence,
• consequence,
• specific,
• snake,
• sector,
• weaponry,
• beer,
• property,
• fabric,
• antiquity,
• protein,
• shop,
• meat,
• discipline,
• weave,
• task,
• configuration,
• substrate,
• image,
• race,
• collection,
• region,
• way,
• document,
• bird,
• trait,
• calculator,
• pastime,
• mammal,
• pattern,
• club,
• flora,
• result,
• form,
• metal,
• system,
• setting,
• story,
• prop,
• merchandise,
• group,
• exhibit,
• accomplishment,
• gadget,
• print,
• class,
• equipment,
• episode,
• style,
• variable,
• presentation,
• monument,
• festival,
• knowledge,
• behavior,
• substance,
• illness,
• twist,
• decoration,
• girl,
• ingredient,
• crop,
• vessel,
• characteristic,
• plaything,
• theme,
• part,
• relic,
• matter,
• tool,
• tree,
• market,
• artifact,
• character,
• instrument,
• details,
• category,
• lesson,
• ruin,
• temple,
• molecule,
• plant,
• annual,
• artefact,
• room,