{
  "Aquatics (Fish & Other Sea Creatures)": {
    "Cetaceans": [
      {"Name": "Dolphin", "Details": "Intelligent, streamlined"},
      {"Name": "Orca", "Details": "Black and white, apex predator"},
      {"Name": "Beluga", "Details": "White, vocal"},
      {"Name": "Narwhal", "Details": "Arctic, long tusk"},
      {"Name": "Blue Whale", "Details": "Largest, baleen"},
      {"Name": "Humpback Whale", "Details": "Acrobatic, singing"}
    ],
    "Sharks": [
      {"Name": "Great White Shark", "Details": "Large, torpedo-shaped"},
      {"Name": "Hammerhead Shark", "Details": "Flattened head"},
      {"Name": "Tiger Shark", "Details": "Striped, varied diet"},
      {"Name": "Whale Shark", "Details": "Largest, filter-feeder"},
      {"Name": "Goblin Shark", "Details": "Deep sea, protruding jaw"}
    ],
    "Fish": [
      {"Name": "Goldfish", "Details": "Orange, freshwater"},
      {"Name": "Koi", "Details": "Colorful, pond fish"},
      {"Name": "Clownfish", "Details": "Orange and white, reef"},
      {"Name": "Betta", "Details": "Vibrant, aggressive"},
      {"Name": "Anglerfish", "Details": "Deep sea, bioluminescent lure"}
    ],
    "Others": [
      {"Name": "Seal", "Details": "Sleek, flippers"},
      {"Name": "Sea Lion", "Details": "Eared, agile"},
      {"Name": "Manatee", "Details": "Gentle, paddle-tail"},
      {"Name": "Otter (Aquatic variant)", "Details": "Playful, webbed feet"},
      {"Name": "Walrus", "Details": "Tusks, whiskers"}
    ]
  },
  
  "Avians (Birds & Flying Animals)": {
    "Birds of Prey": [
      {"Name": "Eagle", "Details": "Powerful, keen-eyed"},
      {"Name": "Hawk", "Details": "Sharp, agile"},
      {"Name": "Falcon", "Details": "Fast, pointed wings"},
      {"Name": "Owl", "Details": "Nocturnal, silent"},
      {"Name": "Condor", "Details": "Large, soaring"}
    ],
    "Songbirds": [
      {"Name": "Canary", "Details": "Melodious, yellow"},
      {"Name": "Robin", "Details": "Orange breast"},
      {"Name": "Blue Jay", "Details": "Crested, loud"},
      {"Name": "Cardinal", "Details": "Red, crested"},
      {"Name": "Nightingale", "Details": "Melodious, plain-colored"}
    ],
    "Waterfowl": [
      {"Name": "Duck", "Details": "Broad-billed, webbed feet"},
      {"Name": "Goose", "Details": "Long-necked, migratory"},
      {"Name": "Swan", "Details": "Elegant, white"},
      {"Name": "Flamingo", "Details": "Pink, long-legged"},
      {"Name": "Heron", "Details": "Tall, wading"}
    ],
    "Others": [
      {"Name": "Bat (Chiroptera)", "Details": "Leathery wings"},
      {"Name": "Crow", "Details": "Black, intelligent"},
      {"Name": "Penguin", "Details": "Flightless, tuxedo-like"},
      {"Name": "Kiwi", "Details": "Flightless, long-beaked"},
      {"Name": "Albatross", "Details": "Large, oceanic"}
    ]
  },

  "Canids (Dogs, Wolves & Foxes)": {
    "Dogs": [
      {"Name": "Husky", "Details": "Thick fur, sledding"},
      {"Name": "German Shepherd", "Details": "Strong, intelligent"},
      {"Name": "Golden Retriever", "Details": "Friendly, golden coat"},
      {"Name": "Shiba Inu", "Details": "Curled tail, fox-like"},
      {"Name": "Corgi", "Details": "Short legs, playful"},
      {"Name": "Doberman", "Details": "Sleek, guard dog"}
    ],
    "Wolves": [
      {"Name": "Grey Wolf", "Details": "Dense coat, pack"},
      {"Name": "Arctic Wolf", "Details": "White, cold-adapted"},
      {"Name": "Red Wolf", "Details": "Reddish, rare"},
      {"Name": "Ethiopian Wolf", "Details": "Slender, high-altitude"}
    ],
    "Foxes": [
      {"Name": "Red Fox", "Details": "Adaptable, bushy tail"},
      {"Name": "Fennec Fox", "Details": "Desert, large ears"},
      {"Name": "Arctic Fox", "Details": "Thick fur, white"},
      {"Name": "Silver Fox", "Details": "Variant of red fox, black-silver coat"}
    ],
    "Others": [
      {"Name": "Jackal", "Details": "Slender, scavenger"},
      {"Name": "Coyote", "Details": "Small wolf, adaptable"},
      {"Name": "African Wild Dog", "Details": "Colorful, pack"},
      {"Name": "Dhole", "Details": "Rusty red, whistling call"}
    ]
  },

  "Felines (Cats, Lions, Tigers)": {
    "Small Cats": [
      {"Name": "Domestic Cat", "Details": "Diverse breeds"},
      {"Name": "Siamese", "Details": "Blue eyes, short coat"},
      {"Name": "Maine Coon", "Details": "Large, tufted ears"},
      {"Name": "Sphynx", "Details": "Hairless, wrinkled"},
      {"Name": "Bengal", "Details": "Spotted, active"}
    ],
    "Big Cats": [
      {"Name": "Lion", "Details": "Mane, social"},
      {"Name": "Tiger", "Details": "Striped, solitary"},
      {"Name": "Leopard", "Details": "Spotted, climber"},
      {"Name": "Cheetah", "Details": "Fast, tear marks"},
      {"Name": "Jaguar", "Details": "Rosettes, powerful"},
      {"Name": "Snow Leopard", "Details": "Thick coat, elusive"}
    ],
    "Others": [
      {"Name": "Lynx", "Details": "Tufted ears"},
      {"Name": "Caracal", "Details": "Long ears, reddish"},
      {"Name": "Serval", "Details": "Long legs, spotted"},
      {"Name": "Bobcat", "Details": "Short tail"},
      {"Name": "Clouded Leopard", "Details": "Dappled, arboreal"}
    ]
  },

  "HYAENIDAE (Hyenas)": {
    "Hyenas": [
      {"Name": "Spotted Hyena", "Details": "Largest, matriarchal society, powerful jaws"},
      {"Name": "Striped Hyena", "Details": "Smaller, nocturnal, striped coat"},
      {"Name": "Brown Hyena", "Details": "Shaggy coat, scavenger, desert regions"},
      {"Name": "Aardwolf", "Details": "Insectivorous, timid, striped"}
    ]
  },

  "MUSTELIDS (Weasels, Ferrets, Otters)": {
    "Weasels": [
      {"Name": "Weasel", "Details": "Small, sleek, carnivorous"},
      {"Name": "Stoat", "Details": "White winter coat, black-tipped tail"},
      {"Name": "Marten", "Details": "Forest-dwelling, arboreal, golden throat patch"}
    ],
    "Ferrets": [
      {"Name": "Domestic Ferret", "Details": "Playful, domesticated, slender body"},
      {"Name": "Black-Footed Ferret", "Details": "Endangered, prairie-dwelling"}
    ],
    "Otters": [
      {"Name": "River Otter", "Details": "Semi-aquatic, playful, sleek fur"},
      {"Name": "Sea Otter", "Details": "Marine, tool-using, thick fur"},
      {"Name": "Giant Otter", "Details": "Amazonian, social, large size"}
    ],
    "Skunks": [
      {"Name": "Striped Skunk", "Details": "Black with white stripes, sprays musk"},
      {"Name": "Spotted Skunk", "Details": "Smaller, agile, spotted coat"}
    ]
  },

  "LAGOMORPHS (Rabbits & Hares)": {
    "Rabbits": [
      {"Name": "Domestic Rabbit", "Details": "Varied breeds, fluffy tails"},
      {"Name": "Cottontail", "Details": "Wild, bushy tail, common in America"},
      {"Name": "Jackrabbit", "Details": "Large ears, fast runner, desert-adapted"}
    ],
    "Hares": [
      {"Name": "Snowshoe Hare", "Details": "Seasonal coat change, large feet"},
      {"Name": "Arctic Hare", "Details": "Thick fur, lives in tundra"}
    ]
  },

  "MARSUPIALS": {
    "Kangaroos": [
      {"Name": "Red Kangaroo", "Details": "Largest, red-brown coat, powerful legs"},
      {"Name": "Grey Kangaroo", "Details": "Smaller, grey coat, forest-dwelling"}
    ],
    "Wallabies": [
      {"Name": "Bennett's Wallaby", "Details": "Small, red-grey coat, gentle nature"}
    ],
    "Possums": [
      {"Name": "Common Brushtail Possum", "Details": "Nocturnal, arboreal, bushy tail"},
      {"Name": "Virginia Opossum", "Details": "North America's only marsupial"}
    ]
  },

  "RODENTS": {
    "MiceAndRats": [
      {"Name": "House Mouse", "Details": "Small, agile, adaptable"},
      {"Name": "Fancy Rat", "Details": "Domesticated, intelligent, social"},
      {"Name": "Brown Rat", "Details": "Large, omnivorous, common in cities"}
    ],
    "Squirrels": [
      {"Name": "Gray Squirrel", "Details": "Bushy tail, urban and forest-dwelling"},
      {"Name": "Red Squirrel", "Details": "Smaller, reddish fur, territorial"},
      {"Name": "Flying Squirrel", "Details": "Gliding membranes, nocturnal"}
    ],
    "Others": [
      {"Name": "Chipmunk", "Details": "Small, striped back, burrow-dwelling"},
      {"Name": "Beaver", "Details": "Large, dam-builder, flat tail"},
      {"Name": "Guinea Pig", "Details": "Domesticated, social, vocal"},
      {"Name": "Hamster", "Details": "Small, solitary, cheek pouches"}
    ]
  },

  "UNGULATES (Hooved Animals)": {
    "Horses": [
      {"Name": "Domestic Horse", "Details": "Various breeds, strong, social"},
      {"Name": "Mustang", "Details": "Wild, hardy, American plains"},
      {"Name": "Clydesdale", "Details": "Large, draft horse, feathered hooves"}
    ],
    "DeerTypes": [
      {"Name": "Whitetail Deer", "Details": "Common, white under-tail, agile"},
      {"Name": "Red Deer", "Details": "Large, reddish coat, European"},
      {"Name": "Moose", "Details": "Largest deer, broad antlers, solitary"},
      {"Name": "Elk", "Details": "Large, bugling call, herding"}
    ],
    "Bovines": [
      {"Name": "Cow", "Details": "Domesticated, milk-producing, varied breeds"},
      {"Name": "Bull", "Details": "Male bovine, muscular, aggressive"},
      {"Name": "Buffalo", "Details": "Large, shaggy coat, plains and swamps"},
      {"Name": "Yak", "Details": "High-altitude, long-haired"}
    ],
    "GoatSheep": [
      {"Name": "Domestic Goat", "Details": "Agile, curious, domesticated"},
      {"Name": "Sheep", "Details": "Wool-producing, flock animal"},
      {"Name": "Bighorn Sheep", "Details": "Curved horns, mountainous"}
    ],
    "Others": [
      {"Name": "Giraffe", "Details": "Tallest, long neck, savannah"},
      {"Name": "Zebra", "Details": "Striped, herd animal, fast"},
      {"Name": "Hippopotamus", "Details": "Large, aquatic, territorial"},
      {"Name": "Rhinoceros", "Details": "Thick skin, horned, endangered"}
    ]
  },

  "URSINE (Bears)": {
    "Bears": [
      {"Name": "Brown Bear", "Details": "Large, omnivorous, hibernates"},
      {"Name": "Polar Bear", "Details": "White fur, Arctic, marine hunter"},
      {"Name": "Black Bear", "Details": "Smallest, varied coat, adaptable"},
      {"Name": "Panda Bear", "Details": "Black and white, bamboo-eater, solitary"}
    ]
  },

  "PRIMATES": {
    "Monkeys": [
      {"Name": "Capuchin", "Details": "Intelligent, tool-using, arboreal"},
      {"Name": "Howler Monkey", "Details": "Loud call, prehensile tail, social"},
      {"Name": "Spider Monkey", "Details": "Long limbs, prehensile tail"}
    ],
    "GreatApes": [
      {"Name": "Gorilla", "Details": "Largest, ground-dwelling, social groups"},
      {"Name": "Chimpanzee", "Details": "Tool-using, intelligent, omnivorous"},
      {"Name": "Orangutan", "Details": "Red fur, arboreal, solitary"}
    ],
    "Lemurs": [
      {"Name": "Ring-Tailed Lemur", "Details": "Striped tail, social, Madagascar"}
    ]
  },

  "REPTILES & AMPHIBIANS": {
    "Snakes": [
      {"Name": "Cobra", "Details": "Hooded, venomous"},
      {"Name": "Python", "Details": "Large, constrictor"},
      {"Name": "Viper", "Details": "Venomous, hinged fangs"},
      {"Name": "Rattlesnake", "Details": "Venomous, rattle on tail"}
    ],
    "Lizards": [
      {"Name": "Gecko", "Details": "Climbing, adhesive toes"},
      {"Name": "Iguana", "Details": "Herbivorous, long tail"},
      {"Name": "Komodo Dragon", "Details": "Largest, venomous bite"},
      {"Name": "Chameleon", "Details": "Color-changing, prehensile tail"}
    ],
    "Crocodiles": [
      {"Name": "Crocodile", "Details": "Aggressive, freshwater and saltwater"},
      {"Name": "Alligator", "Details": "U-shaped snout, freshwater"},
      {"Name": "Caiman", "Details": "Smaller, Amazonian"}
    ],
    "TurtlesFrogs": [
      {"Name": "Turtle", "Details": "Aquatic, hard shell"},
      {"Name": "Tortoise", "Details": "Land-dwelling, slow-moving"},
      {"Name": "Tree Frog", "Details": "Arboreal, sticky toes"},
      {"Name": "Bullfrog", "Details": "Large, loud call"}
    ]
  },

  "INVERTEBRATES": {
    "Insects": [
      {"Name": "Butterfly", "Details": "Colorful wings, metamorphosis"},
      {"Name": "Moth", "Details": "Nocturnal, fuzzy body"},
      {"Name": "Beetle", "Details": "Hard shell, diverse species"},
      {"Name": "Ant", "Details": "Social, colony-dwelling"},
      {"Name": "Wasp", "Details": "Stinging, aggressive"}
    ],
    "Arachnids": [
      {"Name": "Spider", "Details": "Web-weaving, venomous"},
      {"Name": "Tarantula", "Details": "Large, hairy, burrowing"},
      {"Name": "Scorpion", "Details": "Venomous stinger, desert-dwelling"}
    ],
    "Crustaceans": [
      {"Name": "Crab", "Details": "Hard shell, pincers"},
      {"Name": "Lobster", "Details": "Large claws, marine"},
      {"Name": "Shrimp", "Details": "Small, swimmer"}
    ]
  },

  "FANTASY / MYTHICAL": {
    "Dragons": [
      {"Name": "Western Dragon", "Details": "Fire-breathing, scaled, four-legged"},
      {"Name": "Eastern Dragon", "Details": "Serpentine, wise, benevolent"},
      {"Name": "Wyvern", "Details": "Two-legged, venomous tail"},
      {"Name": "Hydra", "Details": "Multi-headed, regenerative"}
    ],
    "Gryphons": [
      {"Name": "Eagle-Lion Gryphon", "Details": "Noble, powerful, keen-sighted"},
      {"Name": "Hawk-Tiger Gryphon", "Details": "Fierce, agile, predatory"}
    ],
    "Phoenixes": [
      {"Name": "Fire Phoenix", "Details": "Fiery plumage, rebirth"},
      {"Name": "Ice Phoenix", "Details": "Frost feathers, ethereal"}
    ],
    "Chimeras": [
      {"Name": "Lion-Goat-Snake Chimera", "Details": "Three-headed, fire-breathing"}
    ],
    "Others": [
      {"Name": "Unicorn", "Details": "Horned, pure, magical"},
      {"Name": "Pegasus", "Details": "Winged horse, swift"},
      {"Name": "Sphinx", "Details": "Riddler, lion body, human head"}
    ]
  }
}