Home to 40% of the planets remaining rainforest, the Amazon is the largest and most species-rich tropical rainforest in the world. The Amazon is mostly contained within Brazil, and stretches into Peru, Ecuador, Bolivia, and smaller parts in some other South American countries.
As the largest tropical rainforest it has has an unparalleled biodiversity. One in ten known species in the world live in the Amazon Rainforest. This includes about 2,5 million species of insects, 4,000 species of plants, approximately 2,000 species of fishes, about 1,200 species of birds and some 400 species of mammals. Among the most dangerous animals are the black caiman, jaguar and anaconda. In the river, electric eels can produce an electric shock that can stun or kill a human, while piranha are known for their voracious appetite for meat.