There were also significant differences in standing, lying, and grooming behaviors of female Amur tigers in different years.
不同年份雌性成年东北虎的站立、躺 卧、梳理等 产仔行为也具有显着差异。
However, Siberian tigers - also known as Amur tigers - are famed for being the biggest cat species on the planet.
然而哈尔滨虎(东北虎)正是以「世界上体形最为庞大的猫科动物」而闻名的。
Experts put the population of wild Amur tigers at 450, with about 30 poached each year.
专家估计野生东北虎的数量约在450头,而每年被偷猎约30头。
There were certain difference between male and female Amur tigers in time budget and activity rhythm.
结果表明,雌雄东北虎的行为时间分配和活动节律均存在一定的差异。