| A | B |
| aviary | a large cage or enclosure for birds |
| decoy | a model, used to attract an animal being hunted |
| endanger | to cause or put in danger |
| flounder | any of various flatfishes used as food |
| guppy | a small tropical freshwater fish, often kept in home aquariums |
| heifer | a young cow that has not given birth to a calf |
| hibernate | to spend the winter in an inactive state |
| mallard | a wild duck, the male of which has a glossy green head and a white band on its neck |
| parasite | a sometimes harmful organism that lives in or on a different kind of organism from which it gets its nourishment |
| pedigree | a list or record of ancestors |
| pelt | an animal skin having fur or hair still on it |
| primate | a member of a group of mammals which includes humans, monkeys, lemurs, apes |
| raven | a large, black bird that has a croaking cry |
| tusk | a long, pointed tooth |
| vermin | various small animals or insects that are destructive, troublesome, or injurious to health |