“Roosting Selection by Red and Blue Lory (Eos Histrio Muller, 1776) in Karakelang Island North Sulawesi”. Jurnal Penelitian Kehutanan Wallacea, vol. 6, no. 1, Mar. 2017, pp. 61-71, https://doi.org/10.18330/jwallacea.2017.vol6iss1pp61-71.