The animals in a biome depend on plants for food ... as it contains special minerals they need for their diet. The tundra is the coldest of all the biomes. There is very little rain or snow ...

About 10% of the Sami - mostly those involved with reindeer - move their animals across the tundra coniferous forest biomes in response to the seasons. So whilst at first this may seem like a ...

These animals fly some 3,725 miles round-trip between their distant habitats, and make the daunting journey twice each year. Tundra swan subspecies also winter in Europe and Asia. Tundra swans are ...