Using surveillance cameras to analyze the activity pattern of the Eurasian otters (Lutra lutra) and the efficiency of camera trap monitoring
Xuesong Han, Zhengyi Dong, Ge Zhao, Xiang Zhao, Xiangying Shi, Zhi Lü, Hongqi Li
Biodiv Sci . 2021, (6): 770 -779 .  DOI: 10.17520/biods.2020388