Category Nuances matching waterbird:

• large,
• rare,
• herbivorous,
• larger,
• size,
• small,
• feral,
• wild,
• colonial,
• breeding,
• plus,
• threatened,
• beautiful,
• common,
• higher,
• coastal,
• migrant,
• migratory,
• majestic,

Members for simple category waterbird:

• waterfowl,
• pelican,
• black_tern,
• cormorant,
• brown_pelican,
• loon,
• heron,
• grebe,
• stork,
• horned_grebe,
• teal,
• white_pelican,
• purple_coot,
• coot,
• duck,
• spoonbill,
• greenshank,
• shorebird,
• large_shorebird,
• mallard,
• australasian_bittern,
• western_grebe,
• black_duck,
• ibis,
• egret,
• jabiru,
• dotterel,
• common_tern,
• goose,
• least_tern,
• roseate_spoonbill,
• swan_goose,
• great_cormorant,
• killdeer,
• chestnut_teal,
• shorebird_waders,
• penguin,
• dalmatian_pelican,
• tern,
• great_egret,
• swan,
• swamphen,
• garganey,
• waders,
• caspian_tern,
• domestic_duck,
• glossy_ibis,