| A | B |
| amphibian | a cold-blooded vertebrate animal that lives in water as a subadult and changes to a land-dwelling adult |
| carcass | an animal's dead body |
| caribou | large, North American deer that have antlers in both sexes |
| flit | to move quickly from one place to another |
| gore | to pierce with horns or tusks |
| hibernate | to sleep in a dormant state through the winter |
| invertebrate | an animal without a spinal column |
| lurk | to move furtively; to sneak |
| mammoth | a heary elephant with long, curved tusts, now extince |
| maul | to handle roughly; to injure by beating or tearing |
| migratory | pertaining to a seasonal move from one region to another |
| ornithologist | one who studies birds |
| retrieve | to bring back |
| scavenger | an animal that feeds on carrion or spoiled meat |
| secrete | to give off a liquid or other substance |
| shank | the part of the leg between the knee and the ankle |
| smelt | a small, silvery fish |
| talon | claw of a bird of prey |
| venom | a poisonous secretion of some animals |
| wean | to train a young mammal to take food in a manner other than nursing |