A Database of Butterfly of West Bengal
Unique among Indian states in stretching all the way from the Himalayas to the sea, WEST BENGAL is nonetheless explored in depth by few travelers. That may have something to do with the exaggerated reputation of its capital, KOLKATA (CALCUTTA), a sophisticated and friendly city that belies its popular image as poverty-stricken and chaotic. The rest of Bengal holds an extraordinary assortment of landscapes and cultures, ranging from the dramatic hill-station of Darjeeling, within sight of the highest mountains in the world, to the vast mangrove swamps of the Sunderban, prowled by man-eating Royal Bengal tigers. The narrow central band of the state is cut across by the huge River Bhagirathi as it pours from Bihar into Bangladesh where the Farrakha Barrage controls the movement of south-flowing channels such as the River Hooghly, the lifeline of Kolkata.

West Bengal - is a complete representation of the Indian subcontinent. Darjeeling, its northern end, is embraced by the arms of the mighty Himalayas. The Dooars in the foothills are rich in forest. The unconquerable river Ganga flows across the state’s rich alluvial plains to reach the Bay of Bengal in the south, through vast swamps that are known as the Sunderban.

Broadly speaking, West Bengal has two natural divisions the Himalayan north and the alluvial plain south of it. The Bay of Bengal forms the southern coastline of the state. The Bay of Bengal is one of the largest bays in the world.

The Himalayan region in north Bengal has three general divisions the high altitude mountain region, the foothills or the Terai region and the mixed deciduous forest and grassland region known as the Dooars. Swift flowing rivers like the Teesta, Torsha, Rangeet and the Mahananda flow through these areas.

The important rivers in the plains of Bengal include the Ganges, Hooghly, Rupnarayan and Damodar. The plains of the Ganges and the other associated rivers form one of the most fertile regions in the world. The Ganges flows through the state at one of its narrowest points and flows into Bangladesh.

The climate is generally humid tropical monsoon. It varies from moist-tropical in the southeast to dry tropical in the southwest and from subtropical to temperate in the mountains of the north. The temperature ranges from 0°C to 45°C. The mean annual rainfall ranges from 900 mm in the southwest to 6,000 mm in parts of the north.

West Bengal is a vast state & has been richly endowed by nature in terms of a great diversity of physical environment it is the only state in India which touches the Himalaya in the north & has sea in south as the physical environment varies from bay of Bengal of south to the snow capped Himalayas in the north through vast stretches of alluvial plains in the middle, small patches of hills & isolated mounted in the western part soil characteristics, temperature & rainfall also vary widely from one part to other. these have resulted rich & diverse vegetative cover consisting of almost all forest types, vast expanses of grass lands, different agricultural crops as well as cropping practice. each support particular type of biodiversity. Richness of biodiversity is reflected by the fact that west Bengal through only 2.7 percent of the total area of the country, but four, viz the Himalaya (central Himalaya), gangetic plain(lower gangetic plain), coast (east coast) & Deccan peninsula on the other hand, owing to favorable agro climatic condition, westbengal…

There are 19 districts and 3 divisions in West Bengal. The Burdwan Division consists of Bankura, Bardhaman, Birbhum, East Midnapore, West Midnapore, Hooghly and Purulia District, the Jalpaiguri Division consists of North Dinajpur, Dakshin Dinajpur, Cooch Behar, Darjeeling, Jalpaiguri and Malda, and the Presidency Division consists of Kolkata, Murshidabad, Nadia, North 24 Parganas, South 24 Parganas and Howrah. consisting of forests, wetland.
West Bengal Map
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