Modifiers matching critter:

• small,
• unwelcome,
• smaller,
• common,
• big,
• friendly,
• new,
• prehistoric,
• wild,
• large,
• annoying,
• nasty,
• blooded,
• furry,
• little,
• toothy,
• local,
• outdoor,
• scary,
• fluffy,
• larger,
• macro,
• microscopic,
• dead,
• arctic,
• interesting,
• sensitive,
• urban,
• cute,
• lowly,
• spineless,
• rare,
• terrestrial,
• tiny,
• cuddly,
• aquatic,
• unusual,
• unwanted,
• favorite,
• special,
• everyday,
• australian,
• mythological,
• native,
• wonderful,
• fantastic,
• weak,
• destructive,
• weird,
• parasitic,
• exotic,
• pesky,
• creepy,
• marine,
• stuffed,
• unexpected,
• foreign,
• venomous,
• unique,
• beneficial,
• agile,
• harmless,
• edible,
• riparian,
• vicious,
• nocturnal,
• fast,
• dangerous,

Simple categories matching prehistoric:

• item,
• giant,
• mammal,
• survivor,
• animal,
• monument,
• critter,
• relic,
• creature,
• artifact,
• beast,
• site,
• reptile,
• tool,
• organism,
• artefact,
• material,
• dinosaur,