Like most natural sciences, the study of Biology involves a variety of specialities. Here are some definitions that will guide you as you learn more about this field.

Epidemiology: the study of health and illness

Herpetology: the scientific study of reptiles and amphibians

Immunology: a biomedical science studying the immune system of animals (including people)

Ichthyology: the scientific study of fish

Mammalogy: the scientific study of mammals (warm-blooded animals)

Ornithology: the scientific study of birds