The Sundarbans delta, at the mouth of the Ganges River, is the largest mangrove forest in the world, spreading across parts of Bangladesh and West Bengal, India. The Sundarbans features a complex network of tidal waterways, mudflats and small islands of salt-tolerant mangrove forests. The area is known for its wide range of fauna, with the Royal Bengal tiger being the most famous, but also including many birds, spotted deer, crocodiles and snakes.

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