Modifiers matching seabird:

• breeding,
• migratory,
• common,
• local,
• colonial,
• big,
• flightless,
• coastal,
• large,
• flying,
• pelagic,
• smaller,
• soaring,
• resident,
• rare,
• antarctic,
• small,
• exotic,
• larger,

Simple categories matching soaring:

• raptor,
• bird,
• eagle,
• animal,
• seabird,
• predator,