Testing saliva is "not uncommon," said Ben Sacks, director of the Canid Diversity and Conservation Unit of the Veterinary Genetics Laboratory. 唾液测试其实“非常普遍”,本?萨克斯介绍说,他是兽医遗传学实验室犬科多样性与保护小组的负责人。
Observation of Microscopic Morphologic Characters of Straight Guard Hair of 3 Species of Canid 3种犬科动物直针毛显微形态学特征观察这种食肉哺乳动物的毛
The Arctic fox ( Alopex lagopus), or white fox, as it is often called, is a member of the canid family and is related to other foxes, wolves, and dogs. 北极狐,俗称白狐,是犬科家族中的一员,它与狼、狗和其他狐狸有着亲缘关系。