ZYU4303 - Animal Behaviour. This is a three credit course offered by the Department of Zoology, in the 2nd semester. Animals including humans display various kinds of behaviour. Your course ZYU4303 deals with the study of behaviour that we observe around us. You will learn about the reasons ‘why’ animals perform a particular behaviour. On completion of this course, you should be able to explain and interpret how and why an animal behave as it does.