The Amazon Rainforest is home to over 2,000 birds and mammals, tens of thousands of plants, and 2.5 million insects. It is one of the most diverse regions on earth. About 40,000 plant species, 2,200 plant species, 1,294 birds, 427 different species of mammals, 428 amphibians, and 378 reptiles have been classified to live in this region.