In strange bird news, researchers are posing dead flamingos like mannequins in order to understand how they support themselves while asleep. ABC reports. 

Scientists arranged flamingo cadavers in a one-legged stance. They found that flamingos support their weight on one leg without using muscle activity — and yes, it even works when they’re dead.

The birds — the live ones — also sway significantly less on one leg while they’re sleeping than they do when they’re awake.

The secret to flamingos’ balance is their unique skeletal system. When dozing off, they pick one leg up and move the other directly underneath their body. Their leg will lock in place, and with the help of gravity, it keeps them balanced.

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