Zoology, the oldest department at the Natural History Museum, displays 4065 animal specimens. These are divided into vertebrates and invertebrates groups.Zoology, the oldest department at the Natural History Museum, displays 4065 animal specimens.

Zoology, the oldest department at the Natural History Museum, displays 4065 animal specimens. These are divided into vertebrates (fish, amphibians, reptiles, birds, and mammals) and invertebrates (sponges, corals, worms, shells, such as mollusks, arthropods, and echinoderms) groups. These animals are exhibited to visitors in the central halls on two floors. These animals are exposed to visitors in the central hall of the ground floor and the aquatic animal hall. The main activities of this department are carried out and presented in three parts: research, educational, and display. In the demonstration section, various animals are presented with their names, place of collection, date of collection, and methods of combating them. Various educational frames have been prepared and are exposed to public viewing and education. In general, the purpose of the activities of this department is to collect, scientifically and taxonomically identify animals and investigate their way of life and biology, and generally introduce these creatures to visitors.

Some of the rare, fascinating, and interesting examples in this section include the prominent figure of Siah-Khan Lapoiee, a man with a height of 259 centimeters which shows a manifestation of two gigantism and acromegaly diseases (It should be noted that Siah-Khan was the tallest man in Asia during his own time), the evolution of the human embryos, strange creatures such as four-legged chickens, conjoined twin embryos, a two-headed calf, various insects, shells, corals, and etc.