Hirotake Ono, Kazuya Nagai, Hiroyoshi Higuchi. Dark Morph of the Oriental Honey-Buzzard (Pernis ptilorhynchus orientalis) is Attributable to Specific MC1R Haplotypes. Zoological science. 2024. 41. 4. 342-350
Kazuya Nagai, Yusuke Takahashi, Hiroto Okabe, Masao Takahashi, Ken Ichi Tokita. Analysis of Genetic Structure and Genetic Diversity in Japanese Grey-Headed Lapwing Population Using mtDNA. Zoological Science. 2024. 41. 3. 257-262
Toru Nakahara, Katsuhisa Miyahara, Yoshito Morimoto, Kazuya Nagai. Expansion of the Range of the Light-Vented Bulbul Pycnonotus sinensis into Mainland Japan. Ornithological Science. 2024. 23. 1. 3-12
Kazuya Nagai, Ken Ichi Tokita. Analysis of Genetic Structure and Genetic Diversity in Japanese Black Kite Population Using mtDNA. Zoological Science. 2022. 39. 4. 330-335
Toru Nakahara, Kazuya Nagai, Fumitaka Iseki, Toshiro Yoshioka, Fumihito Nakayama, Noriyuki M. Yamaguchi. GPS tracking of the two subspecies of the eastern buzzard (Buteo japonicus) reveals a migratory divide along the Sea of Japan. IBIS. 2022. 164. 1192-1200