The Palearctic is one of the world's eight biogeographic regions, covering parts of Europe, Asia, and North Africa. It is characterized by a diverse range of habitats, including tundra, forests, and grasslands. This region is home to a variety of wildlife, including species like the Siberian tiger and European bison. The Palearctic is significant for its ecological diversity and is known for its distinct flora and fauna. It is also a crucial area for migratory birds, such as the arctic tern, which travel vast distances between breeding and wintering grounds.