Sundarbans National Park

A big forest grows near the sea.

This forest has many small islands. It is a home for big tigers.

Many birds and crocodiles live here too.

Special trees grow in the wet mud. These trees have roots that poke out of the ground. The roots help the trees breathe air.

Water moves in and out every day. This is called the tide. The water brings mud to make new land.

People use boats to move through the forest.

Boats are the only way to travel here. It is a very special place for nature.

The Sundarbans National Park is a large forest in India.

It is part of a big area called a biosphere reserve. This means it is a special place to protect nature. The park is made of 54 small islands.

Many rivers flow through the land. These rivers move in and out with the tides. The tides bring mud into the channels. This mud can even make new islands over time.

The forest is full of mangrove trees. One special tree is the Sundari tree. These trees have roots called pneumatophores. These roots poke out of the ground to help the tree breathe.

Many animals call this place home. You might see a Bengal tiger or a leopard cat.

Saltwater crocodiles and many kinds of dolphins live in the water too. People must use boats to travel through the park.

Forest workers use boats to keep the animals safe from poachers.

The Sundarbans National Park is a very special place in West Bengal, India.

It is a core part of a larger tiger reserve and a biosphere reserve. This means the land is set aside to protect many different kinds of life. The park sits on the Ganges Delta and is next to forests in Bangladesh. It is one of the largest homes for the Bengal tiger. Many other animals live here too, like birds and reptiles.

You can find saltwater crocodiles and many tiny invertebrates in the area.

This landscape works in a very busy way because of the water.

Seven main rivers and many smaller channels flow through the delta. The area depends on the tides that move in and out twice every day. These tides can rise as high as 8 meters during a spring tide. When the water moves, it carries silt into the river channels. This silt settles and raises the bottom of the river. Over time, this process can actually create brand new islands and creeks.

The weather can be quite wild with heavy rain and storms.

People have worked to manage these forests for a long time.

A forest management division was first set up in 1869. In 1875, a large part of the mangrove forest became a reserved forest. By 1879, a forest division was created with its headquarters in Khulna, Bangladesh. The park has grown in importance through many official steps. It was named a wildlife sanctuary in 1977. Later, it was declared a national park on 4 May 1984. In 1987, it became a UNESCO World Heritage Site.

There are many amazing facts about the plants and animals here.

The park gets its name from the Sundari tree, which is a special mangrove. These trees have roots called pneumatophores that grow above the ground. These roots help the tree breathe when the forest is flooded by water. Many endangered animals live in these woods and waters. You might find a Bengal tiger or a leopard cat.

In the water, there are Ganges river dolphins and even whales. Some creatures, like the horseshoe crab, are nearing extinction.

Visiting the park is an adventure because you must travel by boat.

The forest is made of 54 small islands that are hard to reach. Forest staff use motorboats and launches to patrol the area. They work hard to protect the animals from poachers. They even use things like human masks to keep tigers away from villages. This helps keep both the people and the tigers safe. It is a beautiful but difficult place where nature and water are always moving.

Sundarbans National Park is a vital protected area located in West Bengal, India.

It serves as a core component of both a tiger reserve and a biosphere reserve. This park sits upon the Ganges Delta, which is a massive landform created by river deposits. It is situated adjacent to the Sundarban Reserve Forest in Bangladesh, located to the southwest of that country. The park is a critical habitat for the Bengal tiger, making it one of the largest reserves for this species. Beyond tigers, the ecosystem supports a diverse array of birds, reptiles, and invertebrates, including the saltwater crocodile.

The landscape is defined by its complex hydrography and tidal processes. Seven main rivers and countless smaller watercourses create a dense network of channels across the estuarine delta. The entire area is governed by the rhythmic movement of tides, with two flow tides and two ebb tides occurring every 24 hours. The tidal range is typically between 3 and 5 meters, but can reach up to 8 meters during a normal spring tide. This movement inundates the Sundarbans at varying depths. As the water moves, it deposits silt into the channels, which raises the river beds. This constant deposition of sediment contributes to an uncertain geomorphology, as it frequently forms new islands and creeks.

A unique feature of this region is a natural depression in the Bay of Bengal known as the Swatch of No Ground. This depression is located between 21°00' and 21°22' latitude. In this area, the water depth changes suddenly from 20 meters to 500 meters. This deep canyon acts as a physical force that pushes silts toward the south or further east. This movement of sediment helps to facilitate the formation of new islands within the delta. The climate of the park is influenced by its proximity to the Bay of Bengal, resulting in heavy rainfall and high humidity, which can reach 80%. Temperatures fluctuate between a minimum of 20 °C and a maximum of 48 °C.

The flora of the region is dominated by mangrove forests, which give the area its name. The name "Sundarbans" is derived from the Sundari tree, which comes from the Sanskrit word "Sundara." These trees are a specialized variety of mangrove adapted to the waterlogged environment. To survive, they utilize specialized roots called pneumatophores. These roots emerge above the ground to facilitate gaseous exchange, or respiration, during the rainy season when the forest is flooded.

The ecosystem also supports various other plants, such as the mangrove date palm, which is part of the forest's complex structure.

Biodiversity in the park includes many endangered and rare species. The Royal Bengal tiger is the most common large predator found within the park. Other endangered inhabitants include the saltwater crocodile, river terrapin, olive ridley turtle, and the Ganges river dolphin. The coastal waters also host critical habitats for endangered cetaceans, or whales and dolphins. Resident groups of Bryde's whales and Irrawaddy dolphins have been documented in the area. Other species found here include Spinner dolphins, Chinese white dolphins, and Indo-Pacific finless porpoises.

Some smaller creatures, such as the mangrove horseshoe crab, are also nearing extinction.

Human efforts to manage and protect this territory began in the 19th century. The first forest management division was established in 1869. In 1875, a large portion of the mangroves was declared a reserved forest under the Forest Act of 1865. By 1879, a formal forest division was created with its headquarters in Khulna, Bangladesh. The park has achieved several significant conservation statuses over time. It was declared a wildlife sanctuary in 1977 and a national park on 4 May 1984. It was inscribed as a UNESCO World Heritage Site in 1987 and became a Ramsar site in 2019. In 2001, it was recognized as part of the World Network of Biosphere Reserves.

Management of the park involves strict controls to ensure ecological balance. The Directorate of Forest is responsible for administration, led by the Principal Chief Conservator of Forests in West Bengal. The park is divided into two ranges, which are further subdivided into smaller units called beats. To prevent poaching and theft, the staff uses motorboats and launches to patrol the area, including floating watch stations. In the core area, human activities like fishing, honey collection, and wood gathering are strictly prohibited. To manage the interaction between humans and wildlife, officials use nylon net fencing and solar illumination to keep tigers away from villages. These efforts have helped reduce tiger-related casualties from 40 to 10 per year.