Crazy Creatures Are Potoo Birds the Scariest Birds in the World Posted: March 31, 2025 | Last updated: March 31, 2025 With their haunting eyes, eerie calls, and ghostly appearance, Potoo birds ...

Known for its eerie nighttime calls and uncanny stillness, the Potoo continues to puzzle and fascinate observers. According to Live Science, it possesses unusual traits rarely seen in the avian world.