The largest terrestrial biome on Earth is the taiga, also known as the boreal forest. This biome is found in the Northern Hemisphere, just below the tundra. The taiga is a cold, coniferous forest that is home to many animals, including bears, wolves, and moose. The trees of the taiga are mostly evergreens, such as pines and spruces. The soil of the taiga is thin and acidic due to all of the needle-like leaves that fall from the trees.