Khao Sam Roi Yod Marine National Park has been become hot spot with bird watchers  due to the approximately 300 recorded species found in this park. Khao Sam Roi Yod  Marine National Park is one of the best area in Thailand to observe shorebirds. Between  Novembers to April more than 100 of migratory shorebirds from Siberia, Northern Europe  and China will arrive at mudflats to feed and rest.Than continuing their journey to  South. And some of them will spend the winter months hear. These birds will begin the  long return journey back to the Northern breeding grounds until March and May.