DENDROLOGY

Detailed explanation-1: -Mammalogy is concerned primarily with the natural history, taxonomy, systematics, anatomy, physiology, ethology, and ecology of mammals. A person that specializes in this particular field is called a mammologist. Mammalogists carry out scientific studies on mammals.

Detailed explanation-2: -Mammalogy is the branch of biology that deals with the study of mammals, class Mammalia. It encompasses such diverse areas as the structure, function, evolutionary history, ethology, taxonomy, management, and economics of mammals.

Detailed explanation-3: -mammalogy, scientific study of mammals.

Detailed explanation-4: -Zoology is the branch of biology concerned with the study animals and animal kingdom. It is also known as animal biology.