Combine big dark eyes, a tall body ... to meet the biggest ghost bird in South America. The ghost bird in question is actually a species known as the great potoo (Nyctibius grandis).

Why it's awesome: The great potoo is a master of disguise ... tropical lowlands of Central and South America, this nocturnal bird can grow to 24 inches (60 centimeters) tall and has a wingspan ...

The slits in its eyelids enable the bird to see even when its eyes are closed. The great potoo’s incredible camouflage helps it blend seamlessly with tree bark, making it nearly invisible to ...