Courtship behaviour ethogram and PAE coding system of captive black stork
ZHANG Zhenqun,GU Dehai,WANG Jiaojiao,HOU Jianhua,LIU Jianping
Journal of Hebei University (Natural Science Edition) . 2016, (3): 300 -306 .  DOI: 10.3969/j.issn.1000-1565.2016.03.013