Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) MIYAZAWA Kaede and SHIMADA Masaki,Anvil use by Okinawa Rail Gallirallus okinawae,Japanese Journal of Ornithology,0913400X,The Ornithological Society of Japan,2017,66,2,153-162,https://cir.nii.ac.jp/crid/1390282679456681600,https://doi.org/10.3838/jjo.66.153