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单词 Nearctic
释义

Definition of Nearctic in English:

Nearctic

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

    Compare with Holarctic
    Example sentencesExamples
    • Manv similarities exist between Nearctic and Palearctic goose populations, but there are also many differences.
    • 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.
    • Humans introduced Old World sparrows to the Nearctic, Neotropical and Australian regions.
    • Comparisons were made between larvae of C. lari and larvae of other Nearctic species of Ceratophyllus available to us.
    • Certain migratory species present special problems, given that Austral and Nearctic migratory populations may be involved.
    • 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.
    • Striped skunks are native only to the Nearctic region.
    • Although less intensively studied than Nearctic species, numerous Palearctic and Paleotropical species also utter flight calls.
    • 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.
    1. 1.1as noun the Nearctic The Nearctic region.

Origin

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

 
 

Definition of Nearctic in US English:

Nearctic

adjectivenēˈärktik
Zoology
  • 1Relating to or denoting a zoogeographical region comprising North America as far south as northern Mexico, together with Greenland. The fauna is closely related to that of the Palearctic region.

    Compare with Holarctic
    Example sentencesExamples
    • 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.
    • Comparisons were made between larvae of C. lari and larvae of other Nearctic species of Ceratophyllus available to us.
    • 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.
    • Humans introduced Old World sparrows to the Nearctic, Neotropical and Australian regions.
    • Although less intensively studied than Nearctic species, numerous Palearctic and Paleotropical species also utter flight calls.
    • Manv similarities exist between Nearctic and Palearctic goose populations, but there are also many differences.
    • 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.
    • Striped skunks are native only to the Nearctic region.
    1. 1.1as noun the Nearctic The Nearctic region.

Origin

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

 
 
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更新时间:2025/1/31 14:09:23