Definition of Nearctic in English:

Nearctic

adjective

Zoology
  • 1Relating to or denoting a zoogeographical region comprising North America as far south as northern Mexico, together with Greenland.

    Compare with Holarctic
    • ‘This behavior is also found in the Nearctic gray jay, Perisoreus canadensis, except that, in this species, allofeeding may be allowed during the fledgling period.’
    • ‘Certain migratory species present special problems, given that Austral and Nearctic migratory populations may be involved.’
    • ‘Personally, I found value in being able to compare sizes and trajectories in the Nearctic goose populations against those of the western Palearctic.’
    • ‘The Ethiopian region showed the greatest diversity and the Nearctic region the least.’
    • ‘Although less intensively studied than Nearctic species, numerous Palearctic and Paleotropical species also utter flight calls.’
    • ‘Using a phylogenetically based selection of wild moths collected from a Nearctic site, we report that earless species fly less throughout the night than eared species.’
    • ‘Humans introduced Old World sparrows to the Nearctic, Neotropical and Australian regions.’
    • ‘Striped skunks are native only to the Nearctic region.’
    • ‘Manv similarities exist between Nearctic and Palearctic goose populations, but there are also many differences.’
    • ‘Comparisons were made between larvae of C. lari and larvae of other Nearctic species of Ceratophyllus available to us.’
    1. 1.1as noun the Nearctic The Nearctic region.

Origin

Mid 19th century: from neo- ‘new’ + Arctic.

Pronunciation

Nearctic

/nɪˈɑːktɪk/