Harpactes is a genus of birds in the family Trogonidae found in forests in South and Southeast Asia, extending into southernmost China.
1/ Red-headed trogon (Nuốc bụng đỏ, Harpactes erythrocephalus)
The epithet comes from the Ancient Greek terms eruthros meaning red, and kephale meaning head.
2/ Orange-breasted trogon (Nuốc bụng vàng, Harpactes oreskios)
3/ Ward's trogon (Nuốc đuôi hồng, Harpactes wardi)