animals of Iran with species of deer, whole and ram, pheasant, bear, leopard, jackal, fox, wolf and feline small and large. Salon of specimens of mammals and birds of the African continent. Salon of aquatics and reptiles which are live and taxidermy. Large live cat cages, such as Persian leopards and African lions and leopards, and small bird and mammal cages inside the exhibition grounds and on the museum grounds. In the Geology Section, the characteristics of different geological periods from the first eras to the present have been exhibited from the point of view of the animal and plant environment along with hundreds of samples of rocks, minerals and fossils of Iran. The Butterflies Salon has specimens of different types of butterflies, spiders, tarantulas and scorpions. In the Taxidermy Workshop, in addition to the taxidermy of the specimens under the supervision of the international master of this art, Dr Hedayatollah Tajbakhsh, how to preserve the specimens of organisms is also exhibited. Live animal touch workshops are set up for students during the Children and Nature Festival and throughout the year. Museum activities include: Publication of many useful books in the field of environment for children and adolescents as well as for academic reference. Including the collection "My Beautiful Animals", "Fish of Inland Waters of Iran", Ecology. Training classes for students in different age groups are held during the summer in collaboration with NGOs and active volunteers to increase environmental awareness. Child and Nature Festival, which is held on the occasion of International Children's Day for a week. During this period, with free entry for children, happy and fun programs with an educational focus on environmental protection are held for them. World Museum Day, with free admission for the general public. The International Cartoon Festival of Man and Nature with the theme of global protection of the earth and the environment, which was held with the active participation of internationally renowned cartoonists. Holding nature tours with a focus on education and public awareness to protect the environment. The museum library, with more than 15,000 volumes of books in specialized fields related to the environment, is one of the most prestigious libraries of plant, animal and geological sciences in Tehran. This library is located at the entrance of the museum for easy access to the general public and is the first public library in Iran that since 1997 has provided the