Modifiers matching mammal:

• large,
• small,
• common,
• herbivorous,
• curious,
• toothed,
• marine,
• resident,
• prehistoric,
• larger,
• asian,
• rare,
• seasonal,
• smaller,
• canadian,
• nonhuman,
• carnivorous,
• interesting,
• susceptible,
• exotic,
• dangerous,
• wild,
• arboreal,
• hooved,
• biting,
• terrestrial,
• macroscopic,
• feral,
• primitive,
• typical,
• available,
• hoofed,
• injured,
• exciting,
• precocial,
• vagile,
• extant,
• bodied,
• major,
• arctic,
• raised,
• diverse,
• trophic,
• cuddly,
• underwater,
• intelligent,
• model,
• recent,
• insectivorous,
• adult,
• oceanic,
• lower,
• abundant,
• hairy,
• specialized,
• particular,
• experimental,
• newborn,
• sedentary,
• vicious,
• tiny,
• invasive,
• nocturnal,
• unique,
• wonderful,
• new,
• native,
• huge,
• undomesticated,
• local,
• feline,
• dry,
• secretive,
• horned,
• soft,
• riparian,
• young,
• level,
• furry,
• domestic,
• elusive,
• mean,
• breeding,
• upland,
• captive,
• piscivorous,
• strange,
• australian,
• blooded,
• wet,
• individual,
• pregnant,
• domesticated,
• mobile,
• amphibious,
• destructive,
• fast,
• sensitive,
• threatened,
• tropical,
• sleek,
• big,
• moving,
• multicellular,
• predatory,
• british,
• ordinary,
• european,
• complex,
• ruminant,
• sized,
• mental,
• omnivorous,
• dead,
• male,
• orphaned,
• urban,
• modern,
• tall,
• nonnative,
• social,
• pesky,
• additional,
• predacious,
• higher,
• fabulous,
• smart,
• little,
• cute,
• foreign,
• rabid,
• indigenous,
• unusual,
• diurnal,
• flying,
• size,
• real,
• lucky,
• active,
• heavy,
• valuable,
• polar,
• charismatic,
• true,
• african,
• commercial,
• undesirable,
• bigger,
• non-human,
• world,
• related,
• quadruped,
• sentient,
• familiar,
• migratory,
• resistant,
• developed,
• semiaquatic,
• expensive,
• defenseless,
• advanced,
• extinct,
• pelagic,
• fossorial,
• unwanted,
• intermediate,
• endemic,
• warm,
• nonruminant,
• alternative,
• verminous,
• bipedal,
• ancient,
• distant,
• ungulate,
• visual,
• varied,
• important,

Simple categories matching bigger:

• animal,
• package,
• fish,
• fauna,
• plant,
• party,
• pest,
• organisation,
• piece,
• band,
• item,
• prey,
• job,
• event,
• predator,
• creature,
• bait,
• livestock,
• project,
• competition,
• function,
• thing,
• furniture,
• rodent,
• rig,
• bird,
• insect,
• mammal,
• product,
• entity,
• aircraft,
• pet,
• article,
• unit,
• zooplankton,
• food,
• vehicle,
• peripheral,
• task,
• host,
• contest,
• organism,
• beast,
• sturgeon,
• obstruction,
• phenomenon,
• audience,
• incident,
• ungulate,
• bug,
• wheel,
• carrier,
• game,
• antelope,
• cat,
• medium,
• stuff,
• genome,
• appliance,
• club,
• center,
• gathering,
• os,