A (23) | B (24) | C (45) | D (19) | E (25) | F (18) | G (15) | H (14) | I (14) | J (2) | K (2) | L (9) | M (15) | N (11) | O (10) | P (34) | Q (3) | R (22) | S (30) | T (14) | U (3) | V (9) | W (7) | Z (2)

A procedure where a veterinarian uses special drugs to anesthetize an animal so a closer look can be taken in a medical exam.


A species that is at risk of dying out.


A rapid learning process that takes place early in the life of a social animal, usually in the bird family, and establishes a behavior pattern involving recognition of and attraction to identifiable attributes of its own kind or of a substitute.

In situ

In the natural, or wild, location.


Reproduction by the mating of closely related individuals.


The process of keeping eggs warm in order to hatch them.


Naturally occurring in a particular place (area or country).


A small animal without a backbone. Its body is divided into three parts. Insects have three pairs of legs and usually two pairs of wings. Flies, ants, grasshoppers, and beetles are a few of the many kinds of insects.


An animal that eats insects. The tenrec is an insectivore.


A way of acting or behaving that an animal is born with and does not have to learn. For example, birds build their nests by using their instinct.


A guide who shares interesting information about animals, plants, and more to a group of visitors.

Interpretive signs

Signs in zoos for visitors that help explain a plant, animal, or idea.

Introduced species

An animal that moves into a new area on its own, or with human help, and remains to live in the area.


An animal that has no backbone. Insects, worms, and lobsters are invertebrates.