What are some of the animals that make up Russia's ecosystems ?

Astiatic black bears, snow leopards, polar bears, and pikas which look like rabbits.

Explanation:

As big as Russia is, it's no surprise that it is home to a large number of ecosystems and species. Its forests, steppes, and tundras provide habitat for many rare animals, including Asiatic black bears, snow leopards, polar bears, and small, rabbit-like mammals called pikas.

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