Koko Title
 
The Guam Rail is a special bird. Locally known as the Ko Ko,' it is endemic to Guam, which means it is found only on Guam and nowhere else in the world. This bird is dark brown with white stripes on its stomach.  

The Ko Ko' came to the island thousands of years ago. At that time it was able to fly. However, since there were no predators on Guam it slowly lost the ability to fly. Then people arrived on the island and brought dogs and other animals with them.  

Sometime after World War II, the brown tree snake also found its way to our island. Since the Ko Ko' is flightless and builds its shallow nest on the ground, it was easy for these snakes to catch the Ko Ko' and its babies. As of 1994, there were only 200 birds left. Some Ko Ko's were released in Rota.  They multiplied and some were released on Guam. 

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