| branch(noun, division, classification, category, bracket) |
| breed(noun, division, classification, category, bracket) |
| brute(noun, animal, creature, beast) |
| carnivore(noun, animal, creature, brute, beast) |
| category(noun, division, classification, bracket) |
| class(noun, division, classification, category, bracket) |
| classification(noun, division, category, bracket) |
| creature(noun, animal, brute, beast) |
| critter(noun, animal, creature, brute, beast) |
| cryobiology(noun, biology, study, science) |
| description(noun, division, classification, category, bracket) |
| detailed examination |
| division(noun, classification, category, bracket) |
| ecology(noun, biology, study, science) |
| embryology(noun, biology, study, science) |
| exobiology(noun, biology, study, science) |
| family(noun, division, classification, category, bracket) |
| feather(noun, division, classification, category, bracket) |
| feral(noun, animal, creature, brute, beast) |
| forestry(noun, biology, study, science) |