How do potoos conceal their large, tell-tale eyes while masquerading as wood?

Answer

They can partially close their eyes into narrow slits

To enhance the illusion of being a knot or imperfection on the wood, the bird employs a trick where it narrows its eyes into slits.

How do potoos conceal their large, tell-tale eyes while masquerading as wood?

#Videos

Potoos Are Hauntingly Cute - YouTube

birdFeatureowlpotoo