Category Nuances for swift:

• migratory,
• flying,
• migrant,
• small,
• tiny,
• insectivorous,
• local,
• large,
• threatened,
• colonial,
• international,
• urban,
• fast,
• smaller,

Simple Categories for swift:

• animal,
• carrier,
• bird,
• lizard,
• entity,
• fauna,
• insectivore,