Palearctic realm

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Palearctic realm
Other names:	Palaearctic realm
Continents:	Africa, Asia, Europe
Biogeography
Udvardy realm:	Palearctic
One Earth realms:	5
Subrealms:	22
Bioregions:	52
Ecoregions:	205
Political geography
Countries:	See text
Territories:	See text

Ecoregions of the western Palearctic realm, color-coded by biome.

The Palearctic realm is the largest biogeographic realm, spanning Northern Africa, all of Europe, and most of Asia.

It shares both land and maritime borders with the Afrotropical and Indomalayan realms to the south.

Geography

Biogeography

In the Bioregions 2023 framework used by non-governmental organization One Earth, the traditional Palearctic realm is split into five realms: Central Eurasia (Central Palearctic), Eastern Eurasia (East Palearctic), Southern Eurasia (South Palearctic), Subarctic Eurasia (Upper Palearctic), and Western Eurasia (West Palearctic).

Political geography

Iceland, the Faroe Islands (administered by Denmark), and Svalbard and Jan Mayen (administered by Norway) are included in this realm, but do not have any breeding Orthoptera species.

References

Ecoregions of the eastern Palearctic realm, color-coded by biome.