中国最大的综合性文献数据库 -维普资讯 关键词: 北极狐 被毛 毛根无髓段 毛皮成熟[gap=1630]Key words: Arctic foxes; Hair; Medulla-absent region in hair root; Pelage maturity
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white arctic foxes 北极狐
Arctic Foxes And Birds 北极狐和鸟类
同义词： white fox Alopex lagopus
以上来源于: WordNet
Why is the number of the arctic foxes becoming smaller and smaller?
为什么北极狐的数量变得越来越少？
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Baby arctic foxes are very lovely.
小北极狐非常可爱。
Serosurvey for Toxoplasma gondii in arctic foxes and possible sources of infection in the high Arctic of Svalbard.
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But even animal bones are an important source of scarce calcium for ravens and lemmings and foxes and, well, the entire food chain, because the Arctic recycles everything.
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