Biswas, J., Sarker, N., Ahsan, M. and Rahman, M. (2015) “Activity patterns of pied kingfisher (Ceryle rudis) and stork-billed kingfisher (Pelargopsis capensis) at the Chittagong university campus, Bangladesh”, Bangladesh Journal of Zoology, 42(2), pp. 191–203. doi: 10.3329/bjz.v42i2.23355.