Selethor II

Selethor II
There are scattered forests of yellow segmented plants. 
Every thirteen years, billions of feathered creatures hatch all at once and begin to swarm, eating everything in their path. They produce eerie but beautiful songs.
There are constant subsonic tremors of unknown origin.
Habitability: 60%
Size: 7
Industry: 3
Science: 3
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Category:Selethor system