Grassy clearing at forest entrance.

Swamp Fern.

This trap captures rats and Brown Tree Snakes which threaten endangered bird species.

Ironwood trees and ferns.

Peaceful rest area covered with pines and ferns.

Ferns line the trails.

A World War II bouy, driven inland by a past typhoon.

Bird's Nest Fern.

World War II Japanese Bunker.

Inside the bunker.

World War II bullets found inside.

The Mangrove forest.

The dense canopy of Mangrove trees.

Growth begins with an 8 to 10-inch Mangrove seed.

These Mangrove seeds have just begun to grow.

The tall, mature Mangrove trees absorb most of the sunlight, allowing only a fraction to reach the younger trees below.

Overhead canopy of Mangrove leaves.

Mangrove trees have a sturdy root system for support in the soft muddy ground where it grows.

Mangrove "knees" grow above the water and mud, so the root system can "breathe".

Outdoor classroom where students can learn about wetlands.

A live white mouse serves as bait for Brown Tree Snakes.