Category Nuances for mammal:

• visible,
• endemic,
• semiterrestrial,
• terrestrial,
• complex,
• marine,
• macroscopic,
• environmental,
• developed,
• young,
• larger,
• higher,
• large,
• attractive,
• unique,
• wild,
• active,
• captive,
• mobile,
• multicellular,
• opportunistic,
• primary,
• small,
• interesting,
• dead,
• diverse,
• edible,
• sexual,
• semiaquatic,
• related,
• level,
• easier,
• colourful,
• domesticated,
• advanced,
• herbivorous,
• trophic,
• familiar,
• cellular,
• animal,
• intermediate,
• top,
• plastic,
• domestic,
• warm,
• susceptible,
• charismatic,
• bony,
• breeding,
• diurnal,
• sentient,
• migratory,
• blooded,
• visual,
• nonhuman,
• eukaryotic,
• individual,
• poikilothermic,
• biological,
• potential,
• moving,
• final,
• microscopic,
• definitive,
• amphibious,
• complicated,
• major,
• big,
• invasive,
• smaller,
• agile,
• model,
• whole,
• social,
• general,
• native,
• aquatic,
• distant,
• modern,
• pelagic,
• newborn,

Simple Categories for mammal:

• animal,
• feeder,
• metazoan,
• organism,
• prey,
• creature,
• herbivore,
• eukaryote,
• object,
• critter,
• tetrapod,
• cell,
• predator,
• unit,
• vertebrate,
• host,
• thing,
• amniote,
• flora,
• bird,
• chordate,
• reptile,
• fauna,
• relative,