| A) | Adaptation, Aestivation, Alpine, Antlers, Apiary=bees, Aquarium=fish, Aviary |
| B) | Barn, Barn-cattle-horses, Bask, Battery, Beehive=bees, Belfry, Bog, Burrow |
| C) | Camouflage, Cave, Colony, Color, Communities, Coop=chickens, Crevice |
| D) | Den=bears, Desert, Diet |
| E) | Earth, Elevation, Endangered, Enemies, Eyrie=eagle |
| F) | Feathers, Fold=sheep, Food availability, Forest, Form=hare, Formicary=ant |
| H) | Habitat, Hibernation, Hole, Humidity, Hutch=rabbits |
| L) | Lair=fox-tiger, Life cycle, Life span, Lodge, Logging=apes |
| M) | Meadow, Mews=hawks, Migration, Mound=termite |
| N) | Nest, Nest=alligator, Nest=alligators-birds |
| P) | Parasites, Pelts, Pigsty=pigs-hogs, Pit=snake, Polar, Pond=duck, Prairie, Predators |
| R) | Ranarium=frogs, Range, Reefs, Regions, River, Roost, Roost=bats |
| S) | Savanna, Scrubland, Sett=badger, Shells, Size, Skat, Skulls, Soil, Species, Stable=horses-cows-donkeys, Stream, Swamp |
| T) | Terrarium=reptiles, Thicket, Tolerance, Torpor, Traces, Tracks, Tropical, Tunnel |
| V) | Veldts=ostrich, Vivary=fish |
| W) | Warren=rabbits, Water, Wetlands, Wind, Woodlands |
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