Majuli is a safe havens for the birds because of the Neo Vaishnovite culture which prohibits killing of birds, it is also a highly fertile and wet land with plenty of food, these wetlands forms the ideal habitat year round for the resident birds and large number of migratory birds, there are 260 species recorded here, as many as 90 winter migratory birds come from Tibet and as far as Siberia.
There are eight Flyways identified all over the world, The Brahmaputra river and its valley is a major route of migratory birds within the Central Asia and Indian Flyway, the winter visitors use this route to reach Majuli many fly across to the sea shores as passage migrants these sea shore birds use Majuli for resting and stopover along their migration route during their arrival in September-October and return in March-April .
Around 22 globaly threatened birds such as Spot billed Pelican, Slender billed Vulture, white-backed vulture, Greater Adjutant stork, Lesser Adjutant stork breed in Majuli.
Most of the waterfowls spend their winter at Beels , water channels and Brahmaputra river start arriving around September and leave by March /April , few migratory birds come here for breeding . Palla’s Fish Eagle Haliaeetus Leucoryphus regarded as globally threatened bird breeds in Majuli, a large number of small birds such as warblers, Leaf warblers, Chats, Wagtails and pipits spend their winters here .
Little Grebe, Spotted Billed Pelican, Large Cormorant, Darter, Grey Heron, Open Bill Stoke, White Adjutant Storke, Lesser Adjutant Storke, Purple Heron, Pond Heron, Cattle Egret, Chestnut Bittern, Great Egret, Little Egret, Grey Lag Goose, Bar Beaded Goose, Lesser Whistling Teal, Ruddy Shelduck, Common Shelduck, Large Whistling, Mallarol, Cotton Teal, Red Crested Pochard, Black Kite, Brahminy Kite, Black Winged Kite Fishing Eagle, Snake Eagle, Vulture, Lagger falcon, Swamp Partridge, Jungle Bush Quail, Red Jungle Fowl, Common Crane, Common Moorhen, Purple Moorhenwhite Breasted Water Hen Pheasant Tailed Jacana.
Bronzed Winged Jacana, Red-Watt Led Lapwing, Stone Curlew, Black Headed Gull,Brown Headed Gull, River tern, Common Green Pigeon, Spotted Dove, Red Turtle Dove, Large Indian Parakeet, Rose Ringed Parakeet, Red Breasted Parakeet , Large Hawk Cuckoo, Koel, Barn Owl, Eurasian Owl, Great Horned Owl, Great Indian nightjar, House Swift, Pied/Brown Headed/Smallblue/Black Catted/ White Breasted Kingfisher, Bee Eater, Indian Roller, Hoopoe, Hornbill , Barbet, Wood pecker, Swallow , Grey Shrike, Oriole, King Crow, Pied/Bank/Grey headed/jungle/common Myna, Bulbul, Magpie Robin , Shama, Grey tits, Wagtail, Sunbird, Weaver, Sparrow, Munia.
The southern part of the island is birds lovers Paradise, between November to March is the best time .