Winter in Bangladesh brings migratory birds to various locations, ideal for birdwatchers. Key spots include Hakaluki Haor, Nijhum Dwip, Char Kukri Mukri, Baikka Beel, Chalan Beel, and Jahangirnagar University, where rare species thrive in the seasonal sanctuary.

Bangladesh is said to have about 712 species of birds although the IUCN Red List of Bangladesh confirmed about 570 species.