Modifiers matching songbird:

• native,
• colorful,
• familiar,
• wild,
• small,
• tiny,
• breeding,
• common,
• british,
• migratory,
• american,
• migrant,
• smaller,
• passerine,
• resident,
• local,
• insectivorous,
• larger,
• dead,
• beautiful,
• european,

Simple categories matching migrant:

• sandpiper,
• finch,
• group,
• sparrow,
• bird,
• songbird,
• visa,
• population,
• shorebird,
• organization,
• language,
• labourer,
• worker,
• passerine,
• fish,
• waterbird,
• insectivore,
• thrush,
• warbler,