A dead duck doesn’t fly backwards. It simply falls onto the ground. But it’s still alive. Dead ducks don’t try to escape. They simply fall. 

When a duck dies, it doesn’t fly backwards through time. It decomposes, just like anything else on Earth. But the idea of a dead thing flying backwards through time is a fun one, and it’s one that’s been explored in fiction a lot. Mythical beasts like the wyvern and the griffin have been imagined as flying backwards through time to devour history on the way to becoming a beast of the future. 

The body of a duck is a great source of energy. For example, a duck can run up to 55 km per hour, which is about 12 mph. But the body of a duck is also a great source of mass. For example, a 6-gram duck feather can weigh about 0.012 pounds. 

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It’s a common misconception that a dead duck flies backwards when it’s thrown into the sky. When a duck is thrown into the sky, it doesn’t flap its wings, so it doesn’t go anywhere. In fact, the duck is more likely to fly forward in an attempt to flee. The misconception may have stemmed from an experiment that demonstrated that the force of gravity pulls objects towards the Earth’s surface, regardless of whether the object is moving or not.

When a duck is in the water, it swims forward. But when a duck is in the air, it flies forward. But when a duck is on the ground, it doesn’t fly - it runs and swims backwards. This sounds confusing, but it’s actually pretty simple once you think about it.

It’s the classic children’s joke. A rubber duck falls into the water. A child asks, “Why didn’t the rubber duck fly away?” The answer is simple: because it’s a duck, it can’t fly.