For inspiration:
Animals
Aardvark, Alligator, American Bison (Buffalo), Ant, Anteater, Antelope, Ape, Armadillo, Ass/Donkey, Baboon, Badger, Barracuda, Bat, Bear, Beaver, Bee, Bison, Boar, Buffalo, Bush baby, Butterfly, Camel, Caribou, Cat, Caterpillar, Cattle, Chamois, Cheetah, Chicken, Chimpanzee, Chinchilla, Cobra, Cockroach, Cormorant, Coyote, Crab, Crane, Crocodile, Crow, Deer, Dog, Dogfish, Dolphin, Donkey, Dove, Dragonfly, Duck, Dugong, Eagle, Echidna, Eel, Eland, Elephant, Elephant seal, Elk, Falcon, Ferret, Finch, Fly, Fox, Frog, Gaur, Gazelle, Gerbil, Giant Panda, Giraffe, Gnu, Goat, Goose, Gorilla, silverback, Guanaco, Guinea fowl, Guinea pig, Gull, Hamster, Hare, Hawk, Hedgehog, Heron, Hippopotamus, Hornet, Horse, Human, Hyena, Iguana, Jackal, Jaguar, Jellyfish, Kangaroo, Koala, Komodo dragon, Kouprey, Kudu, Lark, Lemur, Leopard, Lion, Llama, Lobster, Locust, Loris, Louse, Lyrebird, Magpie, Mallard, Manatee, Meerkat, Mink, Mole, Monkey, Moose, Mouse, Mosquito, Mule, Narwhal, Newt, Nightingale, Okapi, Oryx, Ostrich, Otter, Owl, Ox, Oyster, Panther, Partridge, Peafowl, Pelican, Penguin, Pig, Pigeon, Platypus, Pony, Porcupine, Quelea, Rabbit, Raccoon, Rail, Ram, Rat, Raven, Red deer, Red panda, Reindeer (caribou), Rhinoceros, Salamander, Sea lion, Seahorse, Seal, Seastar, Shark, Sheep, Shrew, Skunk, Snail, Snake, Spider, Squid, Squirrel, Stinkbug, Swan, Tapir, Tarsier, Tiger, Toad, Turkey, Turtle, Vicuña, Walrus, Wasp, Water buffalo, Weasel, Whale, Wolf, Wombat, Worm, Yak, Zebra
Emotions
Adoration, Affection, Aggravation, Agitation, Agony, Alarm, Alienation, Amazement, Amusement, Anger, Anguish, Annoyance, Anxiety, Apprehension, Arousal, Astonishment, Attractiveness, Bitter, Bliss, Caring, Cheerfulness, Compassion, Contempt, Contentment, Crosspatch, Defeatism, Dejection, Delight, Depression, Desire, Despair, Disappointment, Disgust, Dislike, Dismay, Displeasure, Distress, Dread, Eagerness, Ecstasy, Elation, Embarrassment, Enjoyment, Enthrallment, Enthusiasm, Envy, Euphoria, Exasperation, Excitement, Exhilaration, Fear, Ferocity, Fondness, Fright, Frustration, Fury, Gaiety, Gladness, Glee, Gloom, Glumness, Grief, Grouchy, Grumpy, Guilt, Happiness, Hatred, Homesickness, Hope, Horror, Hostility, Humiliation, Hurt, Hysteria, Infatuation, Insecurity, Insult, Irritability, Isolation, Jealousy, Jolliness, Joviality, Joy, Jubilation, Liking, Loathing, Loneliness, Longing, Love, Lust/Desire, Melancholy, Misery, Mortification, Neglect, Nervousness, Optimism, Outrage, Panic, Passion, Pity, Pleasure, Pride, Rage, Rapture, Regret, Rejection, Relief, Remorse, Resentment, Revulsion, Sadness, Satisfaction, Scorn, Sentimentality, Shame, Shock, Sorrow, Spite, Suffering, Surprise, Suspense, Sympathy, Tenderness, Terror, Thrill, Torment, Triumph, Uneasiness, Unhappy, Vengefulness, Woe, Worry, Wrath, Zeal, Zest