van Kolfschoten, L., Selveno, S., Stark, D. J. and Schilthuizen, M. (2016) “Nest density of the Black-and-Red Broadbill (Cymbirhynchus macrorhyncos) along the Kinabatangan River, in Relation to Riverine Habitat Reduction”, Journal of Tropical Biology & Conservation (JTBC), 13. doi: 10.51200/jtbc.v13i.439.