23/12/2000 - 11/01/2001: Sylhet (Lowachara, Tangua Haor), Sundurbans, Dhaka, Patenga. 20/12/2006 - 04/01/2007 (dates tbc): Sylhet (Lowachara), Dhaka. 21/02 - 19/3/2011: Sylhet, Lowachara, Baika Beel, Dhaka, Cox's Bazaar Not exclusively birding trips.