Gunung Mulu National Park, Sarawak, Borneo

#To start with Borneo is a pretty special place. It is the third largest Island in the world, that and the fact that its climate and forest habitat has remained unchanged for millions of years makes it a showplace for the wonders of evolution. Remember, North America has only had only 10,000 years since the last major climate change. Gunung Mulu is Sarawak's largest national park at about 130,000 acres. It is said to be home to 1500 species of flowering plants, 10 species of ant-eating pitcher plants. At the center of the park is a range of limestone mountains, with beautiful clear free-flowing rivers meandering through tropical rain forests. The monsoon rains have eroded huge caves home to many millions of bats. This is the region we visited on a trip in 1997.
We took an outboard motor boat up through the rapids of the Melinau River to a point where we could hike along a boardwalk through a flooded wetland forest up to the Deer Cave. Along our path we saw multitudes of new insects that we'd never seen before. The cave was immense with many spectacular rooms and features. Outside the cave we waited until the first signs of evening and the exit of more than a million bats into this insect-filled forest and wetlands.
Out they came, from every passageway in the cave, in long spiraling clouds of brown. As the darkness fell, we walked home through the forest. The bats flew around us and between us as the tree-frogs called to each other with an amazing din. They were close enough to feel the wind from their wings, it was comforting to know that they only wanted to eat the insects. It was a spectacular introduction to an amazing part of the natural world.
BATS