Bangladesh, authoritatively the People's Republic of Bangladesh, is a nation in South Asia. It shares land outskirts with India and Myanmar (Burma). The nation's oceanic region in the Bay of Bengal is generally equivalent to the extent of its property region. Bangladesh shapes the biggest and easternmost piece of the Bengal area. Bangladeshis incorporate individuals from a scope of ethnic gatherings and religions. Bengalis, who talk the official Bengali language, make up 98% of the populace. The politically overwhelming Bengali Muslims make the country the world's third biggest Muslim-dominant part nation. Islam is the official religion of Bangladesh. The majority of Bangladesh is secured by the Bengal delta, the biggest delta on Earth. The nation has 700 streams and 8,046 km (5,000 mi) of inland conduits. Good countries with evergreen backwoods are found in the northeastern and southeastern areas of the nation. Bangladesh has numerous islands and a coral reef. The longest whole characteristic ocean shoreline of the world, Cox's Bazar Beach, is situated in the southeast. It is home to the Sundarbans, the biggest mangrove woods on the planet. The nation's biodiversity incorporates a huge swath of plant and untamed life, including imperiled Bengal tigers, the national creature. The Greeks and Romans recognized the area as Gangaridai, an amazing kingdom of the recorded Indian subcontinent, in the third century BCE. Archeological research has uncovered a few antiquated urban areas in Bangladesh, which appreciated global exchange joins for centuries. The Bengal Sultanate and Mughal Bengal changed the locale into a cosmopolitan Islamic supreme power between the fourteenth and eighteenth hundreds of years. The district was home to numerous realms that utilized their inland maritime ability. It was additionally a prominent focus of the worldwide muslin and silk exchange. As a major aspect of British India, the area was affected by the Bengali renaissance and assumed a significant job in hostile to frontier developments. The Partition of British India made East Bengal a piece of the Dominion of Pakistan; and renamed it as East Pakistan. The locale saw the Bengali Language Movement in 1952 and the Bangladesh Liberation War in 1971. After autonomy was accomplished, a parliamentary republic was set up. A presidential government was set up somewhere in the range of 1975 and 1990, trailed by an arrival to parliamentary majority rule government.

Dhaka, previously known as Dacca, is the capital and biggest city of Bangladesh. It is one of the biggest and most thickly populated urban areas on the planet, with a populace of 18.89 million individuals in the Greater Dhaka Area. Dhaka is the monetary, political and social focal point of Bangladesh. It is one of the significant urban areas of South Asia, the biggest city in Eastern South Asia and among the Bay of Bengal nations; and one of the biggest urban communities among OIC nations. As a major aspect of the Bengal plain, the city is limited by the Buriganga River, Turag River, Dhaleshwari River and Shitalakshya River. The city is situated in an eponymous region and division. The zone of Dhaka has been occupied since the main thousand years. The city rose to conspicuousness in the seventeenth century as a commonplace capital and business focal point of the Mughal Empire in South Asia. Dhaka was the capital of Mughal Bengal for a long time. As the focal point of the muslin exchange Bengal, it was a standout amongst the most prosperous urban areas in the Indian subcontinent. The medieval city was named out of appreciation for the Mughal Emperor Jahangir and facilitated the seat of the Mughal Subahdar (senator), Naib Nazims and Dewans (head administrators). Medieval Dhaka's wonder crested in the seventeenth and eighteenth hundreds of years, when it was home to shippers from crosswise over Eurasia. The Mughals adorned the city with well-spread out patio nurseries, tombs, mosques, castles and posts. The city was once called the Venice of the East. Under the British Empire, the city saw the presentation of power, railroads, films, Western-style colleges and universities and a cutting edge water supply. It turned into a significant authoritative and instructive focus in Eastern Bengal and Assam after 1905. In 1947, subsequent to consummation of British principle, it turned into the authoritative capital of the East Pakistan. It was pronounced as the administrative capital of Pakistan in 1962. In 1971, it turned into the capital of an autonomous Bangladesh.

Nymphaea nouchali, frequently known by its equivalent word Nymphaea stellata, or by regular names blue lotus, star lotus, red and blue water lily, blue star water lily or manel bloom is a water lily of sort Nymphaea. It is local to southern and eastern pieces of Asia, and is the national blossom of Sri Lanka and Bangladesh. N. nouchali is multi day-blossoming nonviviparous plant with submerged roots and stems. Some portion of the leaves are submerged, while others rise somewhat over the surface. The leaves are round and green on top; they more often than not have a darker underside. The gliding leaves have undulating edges that give them a crenelated appearance. Their size is about 20– 23 cm and their spread is 0.9 to 1.8 m. This water lily has a lovely blossom which is normally violet blue in shading with rosy edges. A few assortments have white, purple, mauve, or fuchsia-shaded blooms, thus its name red and blue water lily. The bloom has four or five sepals and 13-15 petals that have a rakish appearance, making the blossom look star-molded from above. The glass like calyx has a distance across of 11– 14 cm.

The oriental magpie-robin (Copsychus saularis) is a little passerine flying creature that was once in the past classed as an individual from the thrush family Turdidae, however at this point thought about an Old World flycatcher. They are unmistakable highly contrasting feathered creatures with a long tail that is held upstanding as they scrounge on the ground or roost obviously. Happening crosswise over the vast majority of the Indian subcontinent and parts of Southeast Asia, they are regular winged creatures in urban gardens just as timberlands. They are especially notable for their tunes and were once well known as cagebirds. The oriental jaybird robin is the national flying creature of Bangladesh. This species is 19 centimeters (7.5 in) long, including the long tail, which is generally held positioned upstanding while bouncing on the ground. When they are singing a tune the tail is typical like different flying creatures. It is comparative fit as a fiddle to the littler European robin, however is longer-followed. The male has dark upperparts, head and throat separated from a white shoulder fix. The underparts and the sides of the long tail are white. Females are grayish dark above and grayish white. Youthful flying creatures have layered dark colored upperparts and head.

The Bengal tiger is a Panthera tigris population in the Indian subcontinent. The tiger is estimated to be available in the Indian subcontinent since the Late Pleistocene, for about 12,000 to 16,500 years. The Bengal tiger's coat is yellow to light orange, with stripes ranging from dark brown to black; the tummy and the inside parts of the appendages are white, and the tail is orange with black rings. The white tiger is a latent mutant of the tiger, which is accounted for in the wild every now and then in Assam, Bengal, Bihar, and especially from the previous State of Rewa. Be that as it may, it is not to be mistaken as an event of albinism. In fact, there is just a single completely authenticated case of a genuine albino tiger, and none of black tigers, with the conceivable exemption of one dead example examined in Chittagong in 1846. Males have an average total length of 270 to 310 cm (110 to 120 in) including the tail, while females measure 240 to 265 cm (94 to 104 in) on average. The tail is typically 85 to 110 cm (33 to 43 in) long, and on average, tigers are 90 to 110 cm (35 to 43 in) in stature at the shoulders. The heaviness of males ranges from 180 to 258 kg (397 to 569 lb), while that of the females ranges from 100 to 160 kg (220 to 350 lb). The smallest recorded loads for Bengal tigers are from the Bangladesh Sundarbans, where adult females are 75 to 80 kg (165 to 176 lb). The tiger has exceptionally forceful teeth. Its canines are 7.5 to 10 cm (3.0 to 3.9 in) long and accordingly the longest among all cats. The greatest length of its skull is 332 to 376 mm (13.1 to 14.8 in).