left with an area of . The forest in the state can be broadly divided into four major biotic provinces. They are: Deccan Plateau Central Plateau Eastern Highland East Coastal Plains Eastern Ghats region is home to dense tropical forests, while the vegetation becomes sparse as the Ghats give way to the Deccan Plateau, where shrub vegetation is more common. The vegetation found in the state is largely of dry deciduous types with a mixture of teak, Terminalia, Dalbergia, Pterocarpus, Anogeissus, etc. The state has many sanctuaries, national parks and zoological parks, such as Coringa, Krishna Wildlife Sanctuary, Nagarjunsagar-Srisailam Tiger Reserve, Kambalakonda Wildlife Sanctuary, Sri Venkateswara Zoological Park and Indira Gandhi Zoological Park. Atapaka Bird Sanctuary, Nelapattu Bird Sanctuary, Telineelapuram and Telukunchi Bird Sanctuaries and Pulicat Lake Bird Sanctuary attract many migratory birds. The state possesses some rare and endemic plants like Cycas beddomei, Pterocarpus santalinus, Terminalia pallida, Syzygium alternifolium, Shorea talura, Shorea tumburgia, Psilotum nudum, etc. The diversity of fauna includes tigers, panthers, hyenas, black bucks, cheetals, sambars, sea turtles and a number of birds and reptiles. The estuaries of the Godavari and Krishna rivers support rich mangrove forests with fishing cats and otters as keystone species. Climate The climate of Andhra Pradesh varies considerably, depending on the geographical region. Summers last from March to June. In the coastal plain, the summer temperatures are generally higher than the rest of the state, with temperature ranging between . July to September is the season for tropical rains. About one-third of the total rainfall is brought by the northeast monsoon. October and November see low-pressure systems and tropical cyclones form in the Bay of Bengal which, along with the northeast monsoon, bring rains to the southern and coastal regions of the state. November, December, January, and February are the winter months in Andhra Pradesh. Since the state has a long coastal belt the winters are not very cold. The range of winter temperature is generally . Lambasingi in Visakhapatnam district is also nicknamed as the "Kashmir of Andhra Pradesh" due to its relatively cool climate as compared to others and the temperature ranges from . Demographics Census of India, the residual state had a population of with a population density of . According to the Polavaram ordinance bill 2014, 7 mandals of Khammam district in Telangana state merged with Andhra Pradesh to facilitate Polavaram project, due to which population of added