Category Nuances matching passerine:

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

Members for simple category passerine:

• coal_tit,
• finch,
• flycatcher,
• warbler,
• stonechat,
• vireo,
• chaffinch,
• finch_finch,
• wagtail,
• river_warbler,
• sparrow,
• grasshopper_sparrow,
• lark,
• western_kingbird,
• common_redpoll,
• western_tanager,
• hutton_vireo,
• thrush,
• antbird,
• pipit,
• sociable_weaver,
• nuthatch,
• blackbird,
• wren,
• brambling,
• whinchat,
• wheatear,
• red_crossbill,
• arctic_warbler,
• redstart,
• tanager,
• oriole,
• grosbeak,
• tit,
• wilson_warbler,
• redpoll,
• siskin,
• robin,
• bluethroat,
• shrike,
• dunnock,
• great_tit,
• chickadee,
• starling,
• oregon_junco,
• nightingale,
• pied_flycatcher,
• manakin,
• tennessee_warbler,