The Amazon rain forest receives an average yearly rainfall of as much as 120 inches. The Amazon rain forest comprises a total area over 2.1 million square miles, making it the largest tropical rain forest in the world.
Much of the Amazon rain forest lies within Brazil, with parts of the rain forest also found within French Guiana and the South American countries of Peru, Venezuela, Ecuador, Colombia, Guyana, Bolivia and Suriname. The bulk of the Amazon rain forest has temperatures that vary between 80 and 90 degrees Fahrenheit, with high humidity. The Amazon has a great amount of biodiversity, with about 16,000 different species of trees. Roughly 10 percent of all known species can be found in this rain forest.