Holarctic
Hol·arc·tic / hälˈärktik; hōˈlärk-; -ˈärtik/ • adj. Zool. of, relating to, or denoting a zoogeographical region comprising the Nearctic and Palearctic regions combined. The two continents have been linked intermittently by the Bering land bridge, and the faunas are closely related. ∎ [as n.] (the Holarctic) the Holarctic region.
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Holarctic