Скачать или смотреть Nature and Life - Episode 158 (Birds of Sundarbans)

Birds are wonderful creature of nature.
They have spread worldwide depending on feeding habit and favorable temperature.
They have made the world colorful.
With time, birds have adjusted themselves with various ecosystems.
They can be found in every ecosystem of our country.
Sundarbans is a unique ecosystem of our country.
Many species of birds have adapted themselves with this unique ecosystem.
Lesser Adjutant, Brown-singed Kingfisher, Ruddy Kingfisher, Buffy Fish Owl, Masked Finfoot, Mangrove Pitta, Mangrove Whistler, Crested Hawk-Eagle etc. mentionable among birds of Sundarbans.
These birds are not common in places other than Sundarbans.
There are some birds that belong exclusively to the Sundarbans ecosystem.
Besides beautification, these birds are also vital for the natural balance of Sundarbans.
Most of the Sundarbans is muddy due to regular tidal flows.
Such environment is home to numerous invertebrates and aquatic plants, which are important for birds' feeding.
As a result, various resident birds can be seen in here throughout the year.
In winter, various Ducks and aquatic birds also join here.
Sundarbans becomes a kingdom of birds.
Warbler, Flycatcher, Sunbird etc. smaller birds roam in bushes and smaller plants.
Red Jungle Fowls are also seen here.
They mostly remain behind trees.
But come out for feeding at dawn and dusk.
Mangrove Pitta is a small bird of Sundarbans.
They roam in bushes.
Innumerable trees are there in Sundarbans.
Asian Openbill, Eagle, Shikra, Vulture etc. bigger birds usually roam in large trees.
Sometimes Parakeet, Pigeon and Bulbul are also seen on those trees.
Brahminy Kite and Black Kite can be seen flying in here.
Plover, Godwit, Curlew etc. aquatic birds roam in muddy soil of Sundarbans.
Masked Finfoots are inhabitant of Sundarbans.
They are not available anywhere else of Bangladesh.
For they roam in mangrove forest (para bon), they are locally called 'Para pakhi'.
But since they look like Duck (Hash), they are also locally called as 'Sundori Hash' or 'Goyla Hash'.
They are coy bird and mostly roam alone.
They forage for feeding around canals.
Sometimes, they dive underwater to feed on small fishes, Snails etc.
Lesser Adjutants are the biggest bird of Sundarbans.
They are famous for their bald head.
Their head to throat is covered with reddish-yellow skin and is featherless.
For such structure, they can easily hide behind leaves while sitting on tree top.
They mostly forage for feeding around wetlands.
Kingfishers are the most common bird of Sundarbans.
Colorful Kingfishers are expert fish hunter.
Brown-winged Kingfisher, Ruddy Kingfisher, Black-capped Kingfisher and all other available species of Kingfishers of Bangladesh are found in Sundarbans.
Brown-winged Kingfishers are common in here.
Orange feathers of their chest make nature colorful.
Kingfishers mainly feed on fishes.
So they sit on trees around wetlands to look for feeding.
Sometimes they forage for feeding by flying close to water.
Ruddy Kingfishers are rare bird of Bangladesh.
They are hardly seen outside Sundarbans.
Copper color winged this aquatic bird's bill and chest are bright red.
Most of the time they remain in deep forest.
Sometimes they fly around open wetlands for feeding.
Black-capped Kingfishers are bluish-purple.
Their black head on the white throat looks like cap.
So they are called Black-capped Kingfisher.
They are winter migratory bird.
Mangrove Whistlers are rare resident bird of Bangladesh.
They forage for feeding by flying branches to branches and keep whistling loudly.
Buffy Fish Owls are nocturnal bird.
This banded bird has whitish forehead.
They look wonderful with their distinctive ear-tufts.
Crested Hawk-Eagle is another bird of prey Sundarbans.
They roam around large rivers of Sundarbans.
Blackish-brown this bird sometimes becomes faded-brown.
They forage for feeding by flying or sitting on trees.
Many other birds of prey also live in Sundarbans.
Sundarbans becomes colorful and sonorous with these birds.
But for various manmade and natural changes, these birds are losing their food supply and breeding grounds.
Birds are now endangered.
There are no sufficient information and research work on birds of Sundarbans.
If it continues like this, these birds will disappear from Sundarbans in near future.
Sundarbans' ecosystem will become unbalanced.
Accordingly, we must take apt initiatives to conserve the birds of this World Heritage Site.