Cyclocorus is a genus of cyclocorid snakes endemic to the Philippines. They are found on every major island except for those of the Palawan chain. Cyclocorus are found in forested areas on the ground beneath logs or in debris piles. They eat other snakes, including Pseudorabdion and Calamaria, as well as lizards and eggs. They breed during the rainy season (December to March) and lay 5 to 6 eggs underneath logs or in ant hills.