Rainforests have 170,000 of the world's 400,000 known plant species.
The United States has 81 species of frogs, while Madagascar (which is smaller
than Texas) may have 300 species.
Europe has 321 butterfly species, while Manu National Park in the tropical
rainforest of Peru has 1,300 species!
The world’s only species of flying snake and lizard live in the Borneo
rainforest.
The largest catfish in the world lives in a tropical rainforest river in
Vietnam. It weighs over 300
kg.
About one-quarter of all the medicines we use come from rainforest plants.
Curare comes from a tropical vine. It is used as an anesthetic and
to relax muscles during heart surgery.
Quinine, from the cinchona tree, is used to treat malaria.
A person with leukemia has a 99% chance that the disease will go into remission because
of the rosy periwinkle.
More than 1,400 varieties of tropical plants might be potential cures
for cancer.