| herbivore | any animal that eats only plants |
| carnivore | any animal that eats meat |
| omnivore | any animal that eats both plants and meat |
| insectivore | any animal that eats insects |
| moth | an insect with wings similar to a butterfly, but usually flies at night and is attracted to light |
| caterpillar | a small, long animal with many legs that feeds on the leaves of plants, and develops into a butterfly or moth |
| predator | an animal that kills and eats other animals |
| cattle [plural] | cows and bulls that are kept as farm animals for their milk or meat |
| migration | the process of animals travelling to a different place, usually when the season changes |
| tusk | either of the two, long, curved teeth that stick out from the mouth of some animals, notable elephants and walruses |
| ivory | the hard yellowish-white substance that forms the tusks, used to make decorative objects |
| trunk | the long, tube-shaped nose of an elephant |
| flutter [verb] | when a bird or an insect flutters its wings, or its wings flutter, the wings move lightly and quickly up and down |
| dorsal | of, on, or near the back or upper surface of an animal, notably fish |
| ventral | of, on, or near the front or underside of an animal, notably fish |
| fossil | the parts of a dead animal or a plant that have become hard and turned into rock |
| squirrel | a small, long-tailed animal that eats nuts and live in trees |
| raccoon | a small North American animal with black marks on its face and a long tail with black rings on it |