| No. | Term | Definition |
|---|---|---|
| 1. | Aardvark | Nocturnal ant-eating mammal. |
| 2. | Albatross | Large ocean-going seabird. |
| 3. | Alligator | Large armored reptile. |
| 4. | Anaconda | Huge South American constrictor snake. |
| 5. | Antelope | Fast-running grazing mammal. |
| 6. | Armadillo | Mammal with bony armor plates. |
| 7. | Baboon | Large, social African monkey. |
| 8. | Badger | Stocky burrowing mammal. |
| 9. | Barracuda | Fast predatory saltwater fish. |
| 10. | Bat | Flying mammal using echolocation. |
| 11. | Bear | Large omnivorous mammal. |
| 12. | Beaver | Dam-building rodent. |
| 13. | Bison | Large North American bovine. |
| 14. | Black mamba | Highly venomous African snake. |
| 15. | Boar | Wild pig; tusked and strong. |
| 16. | Bobcat | Small North American wildcat. |
| 17. | Buffalo | Large grazing bovid. |
| 18. | Camel | Desert-adapted mammal with humps. |
| 19. | Capybara | Largest rodent; semi-aquatic. |
| 20. | Caracal | Tuft-eared desert wildcat. |
| 21. | Cheetah | Fastest land animal. |
| 22. | Chimpanzee | Intelligent African great ape. |
| 23. | Cobra | Venomous snake that can hood. |
| 24. | Cougar | Large American cat; puma. |
| 25. | Coyote | Adaptable wild canid. |
| 26. | Crocodile | Large river-dwelling reptile. |
| 27. | Dingo | Wild dog of Australia. |
| 28. | Dolphin | Intelligent marine mammal. |
| 29. | Donkey | Hardy equine; also feral. |
| 30. | Dragonfly | Fast-flying predatory insect. |
| 31. | Eagle | Large bird of prey. |
| 32. | Echidna | Spiny egg-laying mammal. |
| 33. | Elephant | Largest land mammal. |
| 34. | Elk | Large deer species. |
| 35. | Falcon | Swift hunting bird. |
| 36. | Ferret | Small mustelid; often domesticated. |
| 37. | Flamingo | Pink wading bird. |
| 38. | Fox | Clever small wild canid. |
| 39. | Frog | Amphibian that jumps and croaks. |
| 40. | Gazelle | Graceful, swift antelope. |
| 41. | Gecko | Small climbing lizard. |
| 42. | Giraffe | Tall African browsing mammal. |
| 43. | Gorilla | Largest living primate. |
| 44. | Grizzly bear | Large brown bear subspecies. |
| 45. | Hawk | Medium-sized bird of prey. |
| 46. | Hedgehog | Small spiny insect-eater. |
| 47. | Hippopotamus | Huge semi-aquatic herbivore. |
| 48. | Hornet | Large stinging wasp. |
| 49. | Hyena | Scavenging, laughing carnivore. |
| 50. | Ibis | Long-billed wading bird. |
| 51. | Iguana | Large plant-eating lizard. |
| 52. | Impala | Common African antelope. |
| 53. | Jackal | Small scavenging wild canid. |
| 54. | Jaguar | Powerful spotted big cat. |
| 55. | Jellyfish | Stinging drifting sea animal. |
| 56. | Kangaroo | Hopping marsupial from Australia. |
| 57. | King cobra | World’s longest venomous snake. |
| 58. | Koala | Tree-dwelling marsupial; eats eucalyptus. |
| 59. | Komodo dragon | Largest living lizard. |
| 60. | Lemur | Madagascar primate with big eyes. |
| 61. | Leopard | Spotted big cat; stealthy hunter. |
| 62. | Lion | Large social big cat. |
| 63. | Lynx | Short-tailed wildcat with tufts. |
| 64. | Manatee | Gentle aquatic herbivorous mammal. |
| 65. | Meerkat | Small upright mongoose relative. |
| 66. | Mongoose | Small predator; hunts snakes. |
| 67. | Monkey | Primate with tail, agile climber. |
| 68. | Moose | Largest deer; broad antlers. |
| 69. | Mountain goat | Sure-footed alpine hoofed mammal. |
| 70. | Narwhal | Arctic whale with tusk. |
| 71. | Newt | Small salamander-like amphibian. |
| 72. | Ocelot | Small spotted wildcat. |
| 73. | Octopus | Eight-armed intelligent sea animal. |
| 74. | Orangutan | Red-haired Asian great ape. |
| 75. | Orca | Killer whale; top ocean predator. |
| 76. | Ostrich | Largest bird; flightless runner. |
| 77. | Otter | Playful fish-eating mammal. |
| 78. | Owl | Nocturnal bird of prey. |
| 79. | Panda | Bear-like mammal; eats bamboo. |
| 80. | Panther | Black-coated leopard or jaguar. |
| 81. | Parrot | Colorful bird that mimics sounds. |
| 82. | Peacock | Male peafowl with fancy tail. |
| 83. | Pelican | Seabird with large throat pouch. |
| 84. | Penguin | Flightless seabird; strong swimmer. |
| 85. | Piranha | Sharp-toothed freshwater fish. |
| 86. | Polar bear | Arctic bear; excellent swimmer. |
| 87. | Porcupine | Rodent with sharp quills. |
| 88. | Python | Large nonvenomous constrictor snake. |
| 89. | Raccoon | Masked omnivorous mammal. |
| 90. | Rattlesnake | Venomous snake with tail rattle. |
| 91. | Raven | Large intelligent black bird. |
| 92. | Red panda | Small tree-dweller with ringed tail. |
| 93. | Rhinoceros | Large horned herbivore. |
| 94. | Salamander | Moist-skinned amphibian. |
| 95. | Scorpion | Stinging arachnid with pincers. |
| 96. | Sea turtle | Ocean turtle with flippers. |
| 97. | Seahorse | Small fish; male carries young. |
| 98. | Seal | Flippered marine mammal. |
| 99. | Shark | Large predatory fish. |
| 100. | Skunk | Mammal that sprays strong odor. |

