The northwestern half of the island is rain forest and is nearly uninhabited.
On the leeward sides, patches of rain forest are found only in the moister areas.
Yet in ancient times the northern border of the rain forest was the seat of America's most advanced civilization.
Tropical jungle borders the rain forest all the way from southern Mexico to southern Brazil.
Aside from the rain forest there are two other types in tropical countries—jungle and scrub.
Williams made an ecological study of the floor fauna of the Panama rain forest.
An ecological study of the floor fauna of the Panama rain forest.
In the Rain Forest zone "second growth" areas usually contain species of deciduous trees.