The Bengal Natural History Museum of Darjeeling is one of the oldest museums which were established in the year of 1903. The main idea to build the Bengal Natural History Museum is to give the information to both the locals and the visitors about the birds and butterflies of the hilly regions. In the year of 1915, the new building was built so that the students can visit the place to study the fauna of the hills, it is one of the good opportunity for the students who are interested to learn more about the fauna of the hills and finally in the year of 1923 the Bengal Natural History Museum was formed for the management of the museum. The Bengal Natural History Museum displays one of the finest collections of natural artefacts and fossils; they also have anatomical parts of a number of species of birds, mammals, fish, insects and reptiles along with the huge collections of bones, skins, antlers etc. In the year of 2015, the West Bengal Zoo authority incorporated to allow for better upkeep and maintenance. There are also a number of birds that belong to more than 400 species along with 110 species of eggs, 57 species of fish and 35 species of snakes in the museum. There is also a Botanical Garden in the Bengal Natural History Museum which displays the butterflies and birds of this hilly region. You will find such beauties as the Himalayan brown wood owl, northern spotted owlet, myna, nightjar, thrush, warbler, flycatcher, kingfisher, snipe, woodpecker, swift, pheasants, flycatchers, , water bird, barbet, hornbill, cuckoo, niltava northern brown fish owl, and even some large birds of prey housed here. From Darjeeling town, the Bengal Natural History Museum is just 1 kilometre away and it is just below Chawrasta on the backside of Gorkha Rangamancha Bhawan which is also known as Bhanu Bhawan. One can visit the museum throughout the year and it is closed during national holidays only. The museum opens from 9:00 am in the morning and closes at 5:00 pm in the evening. There are some valuable books in the small library of the Bengal Natural History Museum.