“Nest and Nest Characteristics of Common Kingfisher (Alcedo Atthis) and White-Throated Kingfisher (Halcyon Smyrnensis) in Bangladesh”. Bangladesh Journal of Zoology, vol. 44, no. 1, Nov. 2016, pp. 99-109, https://doi.org/10.3329/bjz.v44i1.30180.