Simple categories matching precocial:

• offspring,
• mammal,
• animal,
• bird,
• young,

Members with property precocial:

• human,
• duck,
• pheasant,
• chicken,
• cattle,
• chick,
• ungulate,
• reptile,
• eider,
• migratory_ungulate,
• domestic_poultry,
• duckling,
• poultry,
• sheep,
• domestic_chick,
• gosling,
• waterfowl,
• calidris_sandpiper,
• grouse,
• mallard,
• camel,
• goat,
• deer,
• goose,
• herd_ungulate,
• shorebird,
• horse,
• antelope,
• cows,